I
nte
rna
t
io
na
l J
o
urna
l o
f
Rec
o
nfig
ura
ble a
nd
E
m
bedd
e
d Sy
s
t
em
s
(
I
J
RE
S)
Vo
l.
11
,
No
.
1
, M
a
r
ch
20
22
,
p
p
.
1
3
~
24
I
SS
N:
2089
-
4
8
6
4
,
DOI
:
1
0
.
1
1
5
9
1
/ijre
s
.
v
11
.
i
1
.
pp
13
-
24
13
J
o
ur
na
l ho
m
ep
a
g
e
:
h
ttp
:
//ij
r
es.ia
esco
r
e.
co
m
CO
VI
D
-
19
pa
edi
a
tric
ca
v
ity
tel
ecare
sy
stem:
a
no
v
el
cha
in
key
g
eneratio
n
a
nd
en
cryp
tion
schem
e
J
o
y
deep
Dey
D
e
p
a
r
t
me
n
t
of
C
o
mp
u
t
e
r
S
c
i
e
n
c
e
,
M
a
h
a
r
a
j
a
d
h
i
r
a
j
U
d
a
y
C
h
a
n
d
(
M
.
U
.
C
.
)
W
o
me
n
's
C
o
l
l
e
g
e
,
B
u
r
d
w
a
n
,
I
n
d
i
a
Art
icle
I
nfo
AB
S
T
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
Oct
18
,
2
0
2
1
R
ev
is
ed
No
v
6
,
2
0
2
1
Acc
ep
ted
J
an
2
7
,
2
0
2
2
In
th
is
u
n
p
re
c
e
d
e
n
te
d
c
o
ro
n
a
v
i
ru
s
c
risis,
tele
h
e
a
lt
h
h
a
d
e
m
e
rg
e
d
a
s
a
su
b
stit
u
te
wa
y
o
f
trea
tme
n
t.
M
o
re
sp
e
c
ifi
c
a
ll
y
,
p
a
e
d
iatric
c
h
i
ld
re
n
a
re
a
t
h
ig
h
risk
o
f
o
u
tsi
d
e
e
x
p
o
su
re
n
o
w.
N
o
n
c
rit
ica
l
c
h
il
d
re
n
m
u
st
b
e
trea
ted
re
m
o
tely
th
ro
u
g
h
th
e
tab
lew
a
re
sy
ste
m
.
A
k
e
y
b
a
se
d
se
c
u
re
d
o
n
l
in
e
tran
sm
i
ss
io
n
o
f
a
n
in
trao
ra
l
ima
g
e
o
f
th
e
p
a
e
d
iatric c
a
v
it
y
h
a
s b
e
e
n
p
r
o
p
o
se
d
in
t
h
is ma
n
u
sc
rip
t.
A
c
a
v
it
y
is
a
d
e
n
tal
d
ise
a
se
o
c
c
u
r
rin
g
i
n
c
h
il
d
re
n
.
It
is
m
a
in
ly
c
a
u
s
e
d
d
u
e
to
p
ro
l
o
n
g
e
d
b
a
c
teria
l
in
fe
c
ti
o
n
s.
S
e
c
u
re
d
o
n
li
n
e
tran
sm
issio
n
wit
h
re
sp
e
c
t
to
m
e
d
ica
l
tran
sa
c
ti
o
n
s
is
imm
e
n
se
l
y
re
q
u
ired
in
tele
c
a
re
in
fo
rm
a
ti
o
n
sy
ste
m
s
(TI
S
).
Da
ta
c
o
n
fid
e
n
ti
a
li
t
y
fa
c
to
r
is
p
re
se
rv
e
d
with
p
re
fe
re
n
c
e
in
th
is
p
ro
p
o
se
d
tec
h
n
i
q
u
e
.
A
p
a
rit
y
b
a
se
d
n
o
v
e
l
c
h
a
in
k
e
y
(NCK
)
h
a
s
b
e
e
n
g
e
n
e
ra
ted
a
n
d
d
iffu
se
d
i
n
sid
e
th
e
in
trao
ra
l
p
a
e
d
iatric
c
a
v
it
y
ima
g
e
.
NCK
g
e
n
e
ra
ti
o
n
sc
h
e
m
e
is
so
h
ig
h
ly
ro
b
u
st
t
h
a
t
it
g
iv
e
s
d
iffere
n
t
c
o
m
b
in
a
ti
o
n
s
a
fter
e
a
c
h
b
it
a
lt
e
rin
g
.
In
i
ti
a
l
se
e
d
s
a
re
k
e
p
t
a
t
th
e
d
e
n
ti
st
a
n
d
p
a
ti
e
n
ts,
to
re
sist
m
y
riad
a
tt
a
c
k
s
i
n
sid
e
th
e
wire
les
s
c
h
a
n
n
e
l,
e
sp
e
c
ially
d
u
rin
g
t
h
is
COV
ID
-
1
9
p
e
ri
o
d
.
Histo
g
ra
m
,
fl
o
a
ti
n
g
fre
q
u
e
n
c
y
,
a
n
d
a
u
to
c
o
rre
l
a
ti
o
n
we
re
o
b
tai
n
e
d
with
a
c
c
u
ra
c
y
u
sin
g
th
e
p
ro
p
o
se
d
tec
h
n
iq
u
e
.
Eff
e
c
ts
we
re
o
b
se
rv
e
d
b
y
fli
p
p
i
n
g
sim
u
lt
a
n
e
o
u
s
b
i
ts
o
f
th
e
in
it
ial
k
e
y
a
n
d
re
su
lt
s
we
re
h
i
g
h
l
y
a
c
c
e
p
tab
le.
Th
e
ti
m
e
f
o
r
t
h
e
p
r
o
p
o
se
d
k
e
y
g
e
n
e
ra
ti
o
n
h
a
s
b
e
e
n
f
o
u
n
d
to
b
e
5
1
4
.
6
1
m
s.
Th
e
to
tal
c
ry
p
t
o
g
ra
p
h
ic
ti
m
e
h
a
s
b
e
e
n
n
o
ted
a
s
3
.
5
9
8
3
m
s
in
th
is
tec
h
n
iq
u
e
.
K
ey
w
o
r
d
s
:
Gr
ap
h
ical
an
aly
s
is
No
v
el
ch
ain
k
ey
g
e
n
er
atio
n
Paed
iatr
ic
ca
v
ity
R
ev
er
s
ib
le
b
in
ar
y
im
ag
e
T
elec
ar
e
in
f
o
r
m
atio
n
s
y
s
tem
T
h
is
is
an
o
p
e
n
a
c
c
e
ss
a
rticle
u
n
d
e
r
th
e
CC
BY
-
SA
li
c
e
n
se
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
J
o
y
d
ee
p
Dey
Hea
d
,
Dep
ar
tm
en
t
of
C
o
m
p
u
ter
Scien
ce
,
M.
U.
C
.
W
o
m
en
’
s
C
o
lleg
e
B
.
C
.
R
o
ad
,
Uttar
Fatak
,
Po
s
t
R
ajb
ati,
B
u
r
d
wan
,
W
est
B
en
g
al,
I
n
d
ia
E
m
ail:
jo
y
d
ee
p
m
ca
b
u
@
g
m
ail.
co
m
1.
I
NT
RO
D
UCT
I
O
N
T
elec
ar
e
in
f
o
r
m
atio
n
s
y
s
tem
(
T
I
S)
is
a
n
ec
ess
ar
y
wea
p
o
n
in
th
is
er
a
of
d
ig
ital
co
m
p
u
ti
n
g
.
It
h
as
b
ec
o
m
e
an
alter
n
ativ
e
o
p
tio
n
to
t
r
ea
t
th
e
p
atien
ts
f
r
o
m
th
eir
h
o
m
es
in
th
e
tim
e
of
C
OVI
D
-
19.
T
h
u
s
,
th
e
p
atien
ts
an
d
ch
ild
r
en
ar
e
n
o
t
at
all
ex
p
o
s
ed
to
th
e
r
is
k
of
co
r
o
n
a
v
ir
u
s
tr
an
s
m
is
s
io
n
.
W
ith
th
e
in
ter
f
ac
es
of
s
u
ch
s
y
s
tem
s
,
p
atien
ts
can
ea
s
ily
co
m
m
u
n
icate
with
th
eir
p
h
y
s
ician
s
at
an
y
tim
e.
T
h
u
s
,
v
is
itin
g
th
e
h
o
s
p
itals
/clin
ics
p
h
y
s
ically
h
a
s
b
ee
n
b
r
o
u
g
h
t
in
to
less
f
r
eq
u
e
n
cy
.
T
h
er
e
ar
e
so
m
an
y
ad
v
a
n
tag
es
of
u
s
in
g
s
u
ch
a
TIS
.
B
u
t
th
e
b
ig
g
est
th
in
g
of
co
n
ce
r
n
is
s
ec
u
r
ity
on
th
e
m
ed
ical
d
ata
[
1
]
–
[
3
]
.
T
h
e
ch
i
ef
o
b
jectiv
e
of
th
is
m
an
u
s
cr
ip
t
is
to
a
h
av
e
r
o
b
u
s
t
cr
y
p
t
o
g
r
a
p
h
ic
s
y
s
tem
with
a
s
tr
o
n
g
s
ess
io
n
k
e
y
s
u
c
h
th
at
it
can
ea
s
ily
b
ea
t
t
h
e
m
an
-
in
-
th
e
-
m
id
d
le
attac
k
s
in
s
id
e
th
e
teleh
ea
lth
n
etwo
r
k
s
.
T
h
is
p
r
o
p
o
s
ed
tech
n
iq
u
e
h
a
s
s
h
o
wn
a
way
to
tr
an
s
m
it
p
ae
d
iatr
ic
in
f
o
r
m
atio
n
by
r
e
v
er
s
ib
le
co
m
p
u
tin
g
s
tr
u
ctu
r
es
on
d
e
n
tal
is
s
u
es
d
u
r
in
g
th
e
C
OVI
D
-
19
er
a.
Den
tal
h
y
g
ien
e
ca
r
e
is
a
co
r
n
er
s
to
n
e
ar
ea
of
co
n
ce
r
n
th
at
n
ee
d
s
p
r
etty
g
o
o
d
ca
r
e
f
o
r
ch
ild
r
en
’
s
welf
ar
e
.
Par
en
ts
ar
e
th
e
b
est
ca
r
e
g
iv
er
s
to
th
eir
o
f
f
s
p
r
in
g
s
.
T
h
e
o
r
al
h
ea
lth
ca
r
e
of
a
ch
ild
r
e
v
o
lv
es
ar
o
u
n
d
th
e
Paed
iatr
ician
s
,
Paed
iatr
ic
Den
tis
ts
,
Path
o
lo
g
is
ts
,
Diet
ician
s
an
d
An
ae
s
th
esio
lo
g
is
ts
.
T
h
e
d
ec
ay
in
th
e
to
o
th
is
m
ain
ly
ca
u
s
ed
due
to
a
g
r
o
u
p
of
g
er
m
s
k
n
o
wn
as
mu
ta
n
s
s
t
r
ep
to
co
cc
u
s
and
la
cto
b
a
c
illu
s
.
T
h
e
b
ac
ter
ial
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4
8
6
4
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
11
,
No
.
1
,
M
ar
c
h
20
22
:
13
-
24
14
in
v
asio
n
s
ar
e
r
aised
by
th
e
s
u
g
ar
,
wh
ich
t
h
en
p
r
o
d
u
ce
s
ac
id
s
.
T
h
e
s
tr
u
ctu
r
e
of
teeth
b
if
u
r
ca
tes
by
d
ep
letin
g
th
e
ca
lciu
m
la
y
er
with
r
is
in
g
in
th
e
p
o
ten
tial
o
f
h
y
d
r
o
g
e
n
(
pH
)
lev
els
in
s
id
e
th
e
ch
ild
’
s
p
e
r
io
d
o
n
tiu
m
zo
n
e.
A
p
laq
u
e
c
r
ea
ted
by
t
h
e
b
ac
te
r
ia.
A
y
ello
wis
h
f
ilm
d
e
v
elo
p
ed
on
th
e
b
u
cc
al
s
u
r
f
ac
e
ca
u
s
ed
by
th
e
e
n
am
el
er
o
d
in
g
ac
id
s
.
De
-
ca
lcif
ied
s
u
r
f
ac
e
of
t
h
e
teeth
co
llap
s
ed
,
an
d
th
u
s
ca
v
ity
is
b
ein
g
cr
ea
ted
.
Fig
u
r
e
1.
I
n
tr
ao
r
al
im
ag
e
r
e
v
e
alin
g
m
o
lar
ca
v
ity
C
r
y
p
to
g
r
ap
h
y
is
co
n
ce
r
n
e
d
m
ain
ly
to
p
r
o
tect
th
e
d
ata
f
r
o
m
m
y
r
iad
m
alicio
u
s
attac
k
er
s
[
4
]
.
T
h
ey
d
is
to
r
t
a
n
d
m
an
ip
u
late
th
e
d
ata
a
n
d
s
ig
n
als
wh
ile
tr
a
n
s
m
is
s
io
n
.
In
cr
y
p
to
g
r
ap
h
y
,
t
wo
k
ey
s
ar
e
p
u
b
lic
an
d
p
r
i
v
ate
k
ey
[
5
]
,
[
6
]
.
In
T
I
S
to
o
,
th
er
e
h
as
b
ee
n
a
tr
em
e
n
d
o
u
s
am
o
u
n
t
of
em
p
h
asis
g
iv
en
on
m
ed
ical
d
ata
s
ec
u
r
ity
.
I
n
tellig
en
t
co
m
p
u
ti
n
g
[
7
]
p
lay
s
a
b
i
g
r
o
le
in
s
u
ch
onl
in
e
h
ea
lth
s
er
v
ices
d
o
m
ain
s
.
To
en
s
u
r
e
in
teg
r
ated
d
ata
tr
a
n
s
m
is
s
io
n
b
etwe
en
th
e
n
o
d
es
is
th
e
p
r
im
e
o
b
jectiv
e
in
d
ata
s
ec
u
r
ity
[
8
]
,
[
9
]
.
T
h
e
m
o
tiv
atio
n
b
eh
i
n
d
d
ev
el
o
p
in
g
t
h
is
u
n
iq
u
e
n
o
v
el
ch
a
in
k
ey
(
NC
K
)
b
ased
en
cr
y
p
t
io
n
is
to
en
h
an
ce
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ed
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tan
ce
to
th
e
c
h
ild
r
en
in
th
ese
c
r
itical
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r
o
n
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tim
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e
to
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k
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o
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estra
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ts
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o
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t
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e
tr
ea
tm
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n
ts
ar
e
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o
m
m
en
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ed
to
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d
o
n
e
in
v
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al
m
o
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es
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r
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m
s
ec
lu
d
es.
T
h
is
d
ec
r
ea
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e
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r
o
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a
v
ir
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s
tr
an
s
m
is
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io
n
to
th
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en
.
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p
r
o
v
id
es
im
m
en
s
e
m
o
tiv
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n
f
o
r
d
esig
n
s
u
ch
C
OVI
D
-
19
p
ae
d
iatr
ic
ca
v
ity
telec
ar
e
s
y
s
tem
.
T
h
is
p
ap
e
r
p
r
esen
ts
a
s
ec
u
r
ed
n
o
v
el
tec
h
n
iq
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e
th
at
g
e
n
er
ates
a
Ham
m
in
g
k
ey
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ased
on
p
a
r
ity
in
f
o
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m
atio
n
.
T
h
e
b
in
a
r
y
in
tr
ao
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ag
e
is
co
n
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ted
in
to
r
ev
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s
ib
le
a
Fre
d
k
in
im
ag
e.
T
h
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ltan
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m
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k
e
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will
be
d
if
f
u
s
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d
k
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ig
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n
in
g
is
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u
e
was
th
e
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en
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s
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ata
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r
ity
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r
i
n
g
t
h
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p
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b
lic
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o
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ea
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etwo
r
k
,
s
u
ch
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en
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ata
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ay
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h
ija
ck
ed
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th
e
s
ilen
t
in
tr
u
d
er
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liv
in
g
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th
e
n
etwo
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k
s
.
T
h
ey
will
co
llect
t
h
o
s
e
d
ata
a
n
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m
a
n
ip
u
late
t
h
em
as
p
er
wr
o
n
g
i
n
ten
tio
n
s
.
Data
co
n
f
id
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t
iality
an
d
i
n
teg
r
ity
ar
e
th
e
m
o
s
t
r
elev
an
t
ch
alle
n
g
es
in
th
e
cu
r
r
en
t
s
ce
n
a
r
io
.
T
h
e
p
r
o
p
o
s
ed
tech
n
iq
u
e
h
as
p
r
o
v
id
ed
a
s
tr
o
n
g
C
OVI
D
-
19
p
ae
d
iatr
ic
ca
v
ity
telec
ar
e
s
y
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tem
.
T
h
u
s
,
it
will
d
ef
en
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th
e
Man
-
In
-
T
h
e
-
Mid
d
l
e
attac
k
s
in
s
id
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th
e
n
o
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ch
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n
el
in
th
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ex
ce
s
s
iv
e
u
s
e
of
d
ig
ital
tr
a
n
s
ac
tio
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in
t
h
e
C
OVI
D
-
19
er
a.
T
elec
ar
e
p
ae
d
iatr
ic
d
en
tis
tr
y
is
an
ap
p
r
o
ac
h
to
em
b
ed
i
n
f
o
r
m
atio
n
an
d
co
m
m
u
n
icatio
n
te
ch
n
o
lo
g
y
with
d
en
tal
h
ea
lth
[
1
0
]
.
Dasg
u
p
ta
an
d
Deb
[
1
1
]
h
av
e
to
ld
t
h
at
tele
ca
r
e
is
a
n
ew
d
ir
ec
tio
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in
th
e
h
ea
lth
ca
r
e
s
y
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tem
.
C
h
en
et
al
.
[
1
2
]
h
a
d
g
iv
en
a
d
im
en
s
io
n
of
telem
ed
icin
e
on
d
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m
ed
icin
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ca
r
e
in
2
0
0
3
.
Flan
d
er
s
[
1
3
]
h
a
d
sh
o
wn
th
e
ef
f
ec
tiv
en
ess
of
d
en
tal
ed
u
ca
tio
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s
ch
em
es
in
s
ch
o
o
ls
in
th
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ea
r
1987.
Dis
tan
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o
b
s
tacle
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eh
i
n
d
im
p
r
o
p
er
p
ae
d
iatr
ic
tr
ea
tm
en
ts
in
d
en
ta
l
f
ield
s
.
C
o
o
k
et
a
l.
[
3
]
a
n
d
Mo
r
o
s
in
i
[
1
4
]
ex
p
e
r
t
o
n
lin
e
o
r
t
h
o
d
o
n
tic
o
p
i
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s
f
r
o
m
r
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o
te
d
en
tis
ts
wer
e
tak
en
f
o
r
b
etter
tr
ea
tm
en
t
f
ac
ilit
ies.
B
u
t
th
e
b
ig
g
est
th
r
ea
t
in
s
u
ch
a
TIS
is
th
e
s
ec
u
r
ity
i
s
s
u
es.
I
n
tr
u
d
er
s
will
g
r
asp
th
e
m
ed
ic
al
d
ata
an
d
s
ig
n
als,
an
d
th
ey
wo
u
ld
p
r
o
ce
ed
in
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way
s
,
m
ay
b
e
in
t
er
m
s
of
f
ak
e
m
ed
i
a
claim
s
,
p
u
b
licity
,
an
d
ass
au
lt
,
B
h
o
wm
ik
et
al
.
[
1
5
]
h
av
e
p
r
o
p
o
s
ed
a
c
o
m
p
u
tatio
n
al
in
tellig
en
ce
an
d
lo
s
s
less
r
eg
en
er
atio
n
on
in
tr
ao
r
al
im
a
g
e
tr
an
s
m
is
s
io
n
in
2019.
Sar
k
ar
et
al
.
[
1
6
]
h
ad
p
r
o
p
o
s
ed
an
ef
f
icie
nt
an
d
s
ec
u
r
ed
s
h
ar
in
g
of
g
in
g
iv
itis
in
2018.
Dey
et
al
.
[
1
7
]
ha
ve
p
r
o
p
o
s
ed
a
m
etah
eu
r
is
tic
ap
p
r
o
ac
h
to
war
d
s
th
e
s
ec
u
r
ed
tr
a
n
s
m
is
s
io
n
of
elec
tr
o
n
ic
p
r
escr
ip
tio
n
s
on
t
h
e
d
e
n
tal
d
o
m
ain
in
2
0
1
9
.
Ham
m
in
g
in
th
e
y
ea
r
1
9
5
0
[
1
8
]
h
a
d
in
tr
o
d
u
ce
d
th
e
id
ea
of
er
r
o
r
d
etec
tio
n
an
d
co
r
r
ec
tio
n
on
th
e
tr
an
s
m
itti
n
g
d
ata.
It
is
a
li
n
ea
r
b
lo
c
k
wis
e
er
r
o
r
d
etec
tio
n
an
d
er
r
o
r
co
r
r
ec
tio
n
on
b
in
a
r
y
b
its
.
Saiz
-
Ad
alid
et
al
.
[
1
9
]
h
ad
m
o
d
if
ied
Ham
m
in
g
co
d
es
by
ex
ten
d
i
n
g
a
p
a
r
ity
b
it
to
en
h
a
n
ce
its
p
er
f
o
r
m
an
ce
s
.
Ullah
et
al
.
h
ad
s
h
o
wn
a
co
n
v
e
n
ien
t
way
f
o
r
d
etec
tio
n
of
er
r
o
r
s
u
s
in
g
Ham
m
in
g
co
d
es
[
2
0
]
.
Ah
m
ad
p
o
u
r
et
al
.
[
2
1
]
h
av
e
p
r
o
p
o
s
ed
a
n
ew
f
o
r
m
u
latio
n
te
ch
n
iq
u
e
on
Ham
m
i
n
g
co
d
es.
B
r
y
k
et
al
.
[
2
2
]
h
ad
d
esig
n
e
d
e
n
cr
y
p
tio
n
tec
h
n
iq
u
es
u
s
in
g
r
ev
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s
ib
le
lo
g
ic
g
ates
in
th
e
y
ea
r
2
0
1
6
.
Picto
n
[
2
3
]
h
ad
d
ev
el
o
p
ed
m
o
d
if
ied
Fre
d
k
in
g
ates
in
lo
g
i
c
d
esig
n
cir
cu
its
in
1
9
9
4
.
Da
tta
et
al
.
[
2
4
]
h
ad
p
r
o
p
o
s
ed
r
e
v
er
s
ib
le
lo
g
ical
ap
p
licatio
n
s
in
t
h
e
f
ield
of
c
r
y
p
t
o
g
r
ap
h
y
an
d
co
d
in
g
th
eo
r
y
in
2013.
B
ap
an
n
ad
o
r
a
et
al
.
[
2
5
]
h
a
v
e
d
esig
n
ed
an
A
E
S
alg
o
r
ith
m
u
s
in
g
a
r
ec
o
n
f
ig
u
r
ab
le
r
e
v
er
s
ib
le
lo
g
ic
cir
c
u
it.
T
h
e
in
s
p
ir
atio
n
d
r
i
v
in
g
f
o
s
ter
i
n
g
th
is
n
o
v
el
NC
K
b
ased
en
cr
y
p
tio
n
is
to
im
p
r
o
v
e
th
e
d
is
tan
t
clin
ical
h
elp
to
th
e
p
ae
d
iatr
ics
in
th
i
s
b
asic
co
r
o
n
av
ir
u
s
tim
es.
Paed
iatr
ics
ar
e
th
e
m
o
s
t
v
u
l
n
er
ab
le
in
ter
m
s
of
co
r
o
n
a
v
ir
u
s
.
T
h
e
y
s
h
o
u
ld
be
p
r
o
tecte
d
f
r
o
m
s
u
ch
d
ea
d
l
y
v
ir
u
s
.
B
ec
au
s
e
of
lo
ck
d
o
wn
lim
itatio
n
s
,
th
e
m
ajo
r
it
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4
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p
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a
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telec
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s
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a
n
o
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h
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(
Jo
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p
Dey
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15
of
th
e
n
o
n
-
c
r
itical
ch
ild
r
en
a
r
e
p
r
escr
ib
ed
to
be
done
in
v
ir
tu
al
co
n
s
u
ltatio
n
s
f
r
o
m
is
o
lates.
T
h
is
cu
r
tails
th
e
C
OVI
D
-
19
tr
an
s
m
is
s
io
n
to
th
e
ch
ild
r
en
.
It
g
iv
es
huge
i
n
s
p
ir
atio
n
to
p
r
o
p
o
s
ed
p
la
n
s
s
u
ch
C
OVI
D
-
19
Ped
iatr
ic
ca
v
ity
telec
ar
e
s
y
s
tem
.
An
y
h
ea
lth
-
r
elate
d
is
s
u
es
to
w
ar
d
s
th
eir
ch
ild
ar
e
th
e
m
o
s
t
i
m
p
o
r
tan
t
an
d
s
tr
ess
ed
f
ac
to
r
co
n
tr
ib
u
tin
g
to
p
ar
en
ts
’
an
x
iety
.
In
th
is
er
a
of
th
e
g
lo
b
al
p
an
d
e
m
ic,
p
ar
en
t
s
’
an
x
iety
h
as
r
aised
ex
p
o
n
en
t
ially
to
war
d
s
th
eir
ch
ild
r
en
.
T
h
ey
a
r
e
m
o
r
e
co
n
c
er
n
ed
to
war
d
s
th
eir
ch
ild
’
s
h
e
alth
.
Su
ch
a
d
is
ea
s
e
lik
e
p
ae
d
i
atr
ic
ca
v
ities
n
ee
d
s
to
be
tr
ea
ted
ca
r
ef
u
lly
with
o
u
t
d
is
clo
s
in
g
th
e
f
ac
ts
to
th
e
e
av
esd
r
o
p
p
e
r
s
.
T
h
e
ad
v
an
tag
e
of
th
is
p
ap
er
is
to
p
r
o
v
id
e
a
s
ec
u
r
ity
lay
e
r
on
a
ch
ild
’
s
d
en
tal
im
ag
e,
so
th
at
in
tr
u
d
er
s
can
do
n
o
th
in
g
with
th
o
s
e
en
cr
y
p
te
d
p
ar
tial
s
h
ar
es
if
r
etr
iev
ed
.
T
h
e
ex
is
tin
g
in
tr
ao
r
al
s
ec
r
et
im
ag
e
s
h
ar
in
g
tech
n
iq
u
e
h
as
s
o
m
e
d
em
er
its
,
wh
ich
ar
e
a
f
ew
lis
ted
:
i)
Key
ex
ch
an
g
e
in
TIS
b
etwe
en
th
e
ter
m
in
als
in
th
is
C
OVI
D
-
19
;
ii)
Secr
et
s
h
ar
in
g
of
in
tr
ao
r
al
im
ag
es
ar
e
r
ea
d
y
a
v
ailab
le
f
o
r
d
is
tr
ib
u
tio
n
to
illeg
al
c
o
n
ce
r
n
ed
p
er
s
o
n
s
k
ee
p
in
g
th
e
p
ar
e
n
t
s
in
co
m
p
lete
b
lin
d
s
tate
of
in
f
o
r
m
atio
n
;
iii)
Secr
e
t
in
tr
ao
r
al
p
ar
tial
im
ag
es
ar
e
f
o
r
war
d
ed
in
a
s
in
g
le
lin
k
.
T
h
e
s
ec
r
et
im
ag
e
will
not
be
r
eg
en
e
r
ated
if
t
h
e
lin
k
is
ab
r
u
p
t
;
iv
)
Dis
to
r
ted
im
ag
e,
if
tr
an
s
m
itted
,
th
en
s
ec
u
r
ed
tr
a
n
s
m
is
s
io
n
p
r
o
m
p
ts
to
wr
o
n
g
tr
ea
tm
en
t
ac
tio
n
s
.
Den
tal
ca
v
ities
ar
e
f
r
e
q
u
en
t
an
d
co
m
m
o
n
p
er
i
o
d
o
n
tal
d
is
ea
s
e
wh
ich
af
f
ec
ts
th
e
p
er
io
d
o
n
t
i
um
of
ch
ild
r
en
in
r
u
r
al
ar
ea
s
of
I
n
d
ia.
It
h
as
b
ee
n
s
ee
n
in
th
is
p
an
d
em
ic
er
a
to
o
.
C
av
ities
ar
e
ca
u
s
ed
by
th
e
b
ac
ter
ia
in
f
ec
tio
n
in
s
id
e
th
e
m
o
u
th
to
f
o
r
m
th
e
p
laq
u
es,
wh
ich
th
en
en
am
el
er
o
d
in
g
ac
id
s
ar
e
g
e
n
er
ated
to
f
o
r
m
th
e
ca
v
ity
in
th
e
teeth
.
A
p
r
o
m
in
e
n
t
an
d
p
o
ten
tial
in
f
r
astru
ctu
r
e
in
th
e
f
ield
of
p
alliativ
e
ca
r
e
is
lag
g
in
g
in
ev
er
y
s
p
h
er
e.
A
p
alliativ
e
ca
r
e
s
u
p
p
o
r
t
s
y
s
tem
p
r
o
v
id
es
ex
p
er
t
d
is
ea
s
e
d
iag
n
o
s
is
alo
n
g
with
p
r
o
p
er
tr
ea
tm
e
n
t
to
cu
r
e
th
e
ch
ild
r
en
.
In
ad
d
itio
n
,
it
p
r
o
v
id
es
h
u
g
e
m
en
tal
s
u
p
p
o
r
t
an
d
ca
r
e
to
s
u
ch
af
f
ec
te
d
ch
ild
r
en
.
Av
ailab
ilit
y
of
ex
p
er
tis
e
p
e
r
s
o
n
s
s
u
ch
as
p
ae
d
iatr
ic
d
en
tis
ts
,
g
en
er
a
l
p
h
y
s
ician
s
,
a
n
ae
s
th
etics,
p
ae
d
iatr
ician
s
,
an
d
d
ietician
s
ar
e
not
alwa
y
s
f
o
u
n
d
.
Mo
r
eo
v
e
r
,
an
ac
u
te
cr
is
is
of
clin
ical
s
u
p
p
o
r
t
s
y
s
tem
s
lik
e
d
ig
ital
X
-
R
ay
clin
ics,
an
d
p
ath
o
l
o
g
ical
lab
o
r
ato
r
ies
ar
e
o
b
s
er
v
e
d
f
ir
m
l
y
.
Su
ch
b
ar
e
ess
en
tial
n
ee
d
s
ar
e
more
lack
in
g
m
o
r
e
due
to
c
o
n
tem
p
o
r
ar
y
lo
ck
d
o
wn
an
d
s
o
cial
d
is
tan
cin
g
co
n
s
tr
ain
ts
.
Su
ch
s
u
p
p
o
r
ts
ar
e
th
e
m
in
im
u
m
r
eq
u
ir
em
e
n
ts
to
co
n
d
u
ct
a
d
en
tal
ca
r
e
s
y
s
tem
in
p
r
o
p
er
f
ash
i
o
n
.
R
u
r
al
ch
ild
r
e
n
h
a
v
in
g
ca
v
ities
in
th
eir
s
in
g
le
or
m
u
ltip
le
teeth
s
u
f
f
er
a
l
o
t
to
g
et
b
etter
tr
ea
tm
en
t.
Fig
u
r
e
2.
T
r
an
s
itio
n
of
h
ea
lth
y
p
ae
d
iatr
ic
teeth
to
f
o
r
m
atio
n
of
ca
v
ity
Un
f
o
r
tu
n
atel
y
,
ch
ild
r
en
s
u
f
f
e
r
in
g
f
r
o
m
p
ain
f
u
l
ca
v
ities
do
not
g
et
p
r
o
p
e
r
ex
p
er
t
o
p
in
io
n
s
due
to
s
o
cial
an
d
in
f
r
astru
ctu
r
al
d
ef
i
cits
.
T
h
u
s
,
th
eir
d
is
ea
s
e
r
em
ai
n
s
u
n
tr
ea
ted
an
d
co
n
d
itio
n
s
lead
to
ex
tr
ac
tio
n
of
teeth
.
In
m
o
s
t
of
th
e
r
em
o
te
v
i
llag
es
p
ae
d
iatr
ic
d
en
tis
ts
ar
e
alm
o
s
t
not
f
o
u
n
d
as
a
r
eg
u
lar
p
r
ac
titi
o
n
er
s
.
T
h
e
d
em
er
its
d
is
cu
s
s
ed
in
th
e
ab
o
v
e
s
ec
tio
n
ar
e
s
o
lv
e
d
u
s
in
g
th
e
p
r
o
p
o
s
ed
tec
h
n
iq
u
e
.
Paed
iatr
ic
ca
v
ity
im
ag
e
is
s
ec
r
etly
co
n
v
er
ted
in
to
r
ev
e
r
s
ib
le
Fre
d
k
in
s
tr
u
ctu
r
es
[
2
4
]
,
[
2
5
]
.
A
p
a
r
ity
b
ased
on
Ham
m
in
g
co
d
es
k
ey
will
be
g
en
er
ated
by
th
e
s
en
d
er
of
T
I
S.
T
h
e
k
e
y
will
be
d
if
f
u
s
ed
with
th
e
c
o
n
v
er
ted
so
ca
lled
r
ev
er
s
ib
le
im
ag
e.
T
h
e
e
n
cr
y
p
t
ed
im
ag
e
is
f
ed
in
t
o
R
iv
est
-
Sh
am
ir
-
Ad
lem
an
(
R
SA
)
with
th
e
p
u
b
lic
k
ey
of
th
e
co
r
r
esp
o
n
d
in
g
d
en
tis
ts
of
T
I
S.
In
th
is
p
r
o
p
o
s
ed
m
o
d
el
of
wo
r
k
,
th
e
ab
o
v
e
s
tated
p
r
o
b
lem
with
r
esp
ec
t
to
th
e
d
en
tal
d
o
m
ain
can
be
s
o
lv
ed
.
C
h
ild
r
en
’
s
m
e
d
ical
d
a
ta
is
more
co
n
f
i
d
en
tial
en
o
u
g
h
.
A
s
ec
u
r
ed
p
ae
d
iatr
ic
im
ag
e
is
to
be
tr
an
s
m
itted
o
v
er
TIS
f
o
r
ex
p
er
t
o
p
i
n
io
n
.
T
h
is
wo
u
ld
d
iag
n
o
s
e
th
e
ch
il
d
’
s
d
is
ea
s
e
b
etter
.
T
h
u
s
,
k
ee
p
in
g
th
e
ch
ild
r
e
n
s
af
e
f
r
o
m
th
e
co
r
o
n
av
ir
u
s
attac
k
s
,
th
eir
tr
ea
tm
en
ts
ar
e
p
o
s
s
ib
le
s
ec
u
r
ed
ly
th
r
o
u
g
h
th
is
p
r
o
p
o
s
ed
tech
n
iq
u
e.
2.
RE
S
E
ARCH
M
E
T
H
O
D
T
h
e
b
lo
c
k
d
iag
r
am
of
Fre
d
k
in
g
ate
[
2
6
]
,
[
2
7
]
is
g
iv
en
in
Fig
u
r
e
3.
It
h
as
t
h
r
ee
in
p
u
ts
an
d
th
r
ee
o
u
tp
u
ts
.
T
h
e
f
u
n
ctio
n
of
th
is
r
ev
er
s
ib
le
g
ate
is
g
iv
en
at
(
1
)
,
wh
ic
h
h
as
b
ee
n
ad
o
p
ted
by
th
e
s
en
d
er
a
n
d
r
ec
eiv
e
r
of
T
I
S.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4
8
6
4
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
11
,
No
.
1
,
M
ar
c
h
20
22
:
13
-
24
16
(
,
,
)
→
{
,
’
+
,
+
’
}
(
1
)
Fig
u
r
e
3.
B
lo
ck
d
iag
r
am
of
Fr
ed
k
in
g
ate
In
th
is
p
r
o
p
o
s
ed
tech
n
iq
u
e,
t
h
e
in
tr
ao
r
al
p
ae
d
iatr
ic
im
ag
e
h
as
b
ee
n
co
n
v
er
te
d
in
to
b
in
ar
y
m
atr
i
x
u
s
in
g
Fre
d
k
in
g
ate.
A
n
NC
K
of
d
esira
b
le
le
n
g
th
is
o
b
tain
ed
th
r
o
u
g
h
th
e
p
r
o
p
o
s
ed
Ha
m
m
in
g
c
o
d
e
b
ased
p
ar
ity
s
ch
em
e.
Su
cc
ess
iv
e
d
i
f
f
u
s
io
n
o
p
er
atio
n
s
wer
e
p
er
f
o
r
m
ed
on
th
e
s
aid
two
r
esu
l
tan
ts
.
Fin
ally
,
th
e
en
cr
y
p
ted
b
in
ar
y
im
ag
e
will
be
tr
an
s
m
itted
to
TIS
by
R
SA
u
s
in
g
th
e
p
u
b
lic
k
ey
of
th
e
d
en
t
is
t.
2
.
1
.
P
ro
po
s
ed
a
lg
o
rit
hm
:
NCK
e
ncry
ptio
n
Input(s):
(
1
.
[Total_Row
][Total_Col
]
)
,
’
(
[
]
)
Output(s):
E
n
c
r
y
p
t
e
d
I
n
t
r
a
o
r
a
l
I
m
a
ge
{
/
∗
∗
/
}
=
0
_
=
0
_
_
[
]
[
]
=
(
1
.
[
]
[
]
)
{
/
∗
∗
/
}
=
0
_
=
0
_
_
[
]
[
]
=
(
_
[
_
]
[
_
]
)
{
/
∗
ℎ
∗
/
}
[
]
←
ℎ
(
[
]
)
{
/
∗
1
.
ℎ
[
]
∗
/
}
=
0
_
=
0
_
_
[
]
[
]
=
(
_
[
]
[
]
,
[
]
)
;
{
/
∗
ℎ
’
∗
/
}
[
]
[
]
=
(
_
[
_
]
[
_
]
,
[
]
)
2
.
1
.
1
.
P
ro
po
s
ed
a
lg
o
ri
t
hm
:
c
ha
in k
ey
g
ener
a
t
i
o
n
Input(s):
.
(
)
,
ℎ
ℎ
(
)
,
.
(
)
Output(s):
ℎ
(
[
]
)
=
0
0
[
]
=
(
)
2
K0
[Len]
≤
(
2
+
1
)
[
0
]
←
(
[
0
]
)
=
0
(
/
)
KEY
PREV
←
(
KEY
PREV
)
←
1
(KEY
PREV
)
(
ℎ
(KEY
PREV
))
THEN
KEY
NEXT
←
{KEY
PREV
–
2
}
XOR
RO[BlockLen]
KEY
NEXT
←
{KEY
PREV
+
2
}
XOR
RO[BlockLen]
←
0
[
]
←
KEY
PREV
KEY
NEXT
[
]
A
X
B
Y
C
Z
Fredkin Ga
te
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
I
SS
N:
2089
-
4
8
6
4
C
OV
I
D
-
1
9
p
a
ed
i
a
tr
ic
ca
vity
telec
a
r
e
s
ystem:
a
n
o
ve
l c
h
a
in
ke
y
g
en
era
tio
n
a
n
d
…
(
Jo
yd
ee
p
Dey
)
17
2
.
1
.
2
.
P
ro
po
s
ed
a
lg
o
ri
t
hm
:
k
ey
co
nv
er
s
io
n
Input(s):
,
[
]
Output(s):
,
[
]
=
0
(
−
1
)
(
=
0
)
ℎ
[
]
=
[
]
Else
[
]
=
[
]
[
−
1
]
(
[
]
)
3.
RE
SU
L
T
S
S
E
CT
I
O
N
In
th
is
s
ec
tio
n
,
r
esu
lts
wer
e
b
r
ief
ly
d
is
cu
s
s
ed
.
T
h
e
ab
o
v
e
s
tated
p
r
o
p
o
s
ed
alg
o
r
ith
m
was
ca
r
r
ied
out
on
th
e
h
i
g
h
lev
el
lan
g
u
ag
e
wit
h
m
o
d
e
r
n
co
m
p
u
ter
c
o
n
f
ig
u
r
a
tio
n
s
.
T
ab
le
1
co
n
tain
s
th
e
ex
em
p
lar
y
d
ata
s
et
of
o
b
s
er
v
atio
n
.
I
n
ter
m
ed
iate
k
e
y
s
ar
e
well
tab
u
lated
T
ab
le
1
f
o
r
len
g
th
of
s
ee
d
v
alu
e,
len
g
t
h
of
in
ter
m
ed
iate
k
e
y
,
an
d
d
esire
d
k
ey
s
ize
ar
e
4
b
its
,
7
b
its
,
an
d
70
b
its
r
esp
ec
tiv
ely
.
T
ab
le
1.
I
n
ter
m
ed
iate
k
ey
f
o
r
m
atio
n
with
th
eir
d
ec
i
m
al
eq
u
i
v
alen
ce
s
I
n
t
e
r
med
i
a
t
e
k
e
y
(
I
K
1
)
D
e
c
i
m
a
l
(
I
K
1
)
I
n
t
e
r
med
i
a
t
e
k
e
y
(
I
K
2
)
D
e
c
i
m
a
l
(
I
K
2
)
I
n
t
e
r
med
i
a
t
e
k
e
y
(
I
K
3
)
D
e
c
i
m
a
l
(
I
K
3
)
I
n
t
e
r
med
i
a
t
e
k
e
y
(
I
K
4
)
D
e
c
i
m
a
l
(
I
K
4
)
0
0
1
1
0
0
1
25
0
1
1
0
0
1
1
51
1
0
1
1
0
1
0
90
1
0
0
1
1
0
0
76
0
0
1
0
1
0
0
20
0
0
0
1
0
0
1
09
1
1
0
1
1
0
1
1
0
9
0
0
1
0
1
1
0
22
0
1
1
0
1
1
1
55
0
1
0
1
1
1
0
46
0
1
0
0
0
0
1
33
1
0
0
0
0
0
1
65
0
1
1
1
1
0
1
61
0
0
0
1
1
1
0
14
1
1
0
0
0
1
1
99
0
1
1
0
1
0
1
53
0
1
1
1
0
1
0
58
0
1
1
0
1
0
0
52
0
0
0
0
0
0
0
00
0
1
1
0
0
1
1
51
0
0
0
1
1
1
0
13
0
1
0
1
1
0
1
45
1
0
1
1
0
0
1
89
1
1
0
1
1
1
0
1
1
0
1
1
0
0
1
0
0
1
0
0
1
0
0
1
0
0
0
72
0
0
0
1
1
1
1
15
0
0
0
0
1
0
1
05
1
0
1
0
1
1
1
87
1
1
0
1
1
1
1
1
1
1
1
0
1
0
0
0
0
80
1
0
0
0
0
1
1
67
1
1
0
0
1
0
1
1
0
1
1
1
0
0
0
1
1
99
0
1
1
0
0
1
0
50
0
1
0
0
1
1
0
38
1
1
0
1
1
1
0
1
0
9
1
1
0
1
1
0
1
1
0
9
1
0
0
0
0
0
1
65
1
1
0
1
0
0
1
1
0
5
Fo
u
r
in
ter
m
ed
iate
k
ey
s
wer
e
tak
en
in
to
co
n
s
id
er
atio
n
s
:
I
K1
,
I
K2
,
I
K3
,
a
n
d
I
K4
.
th
e
f
ir
s
t
k
ey
,
I
K1
is
th
e
in
itial
s
et
of
k
ey
s
.
T
h
e
r
o
b
u
s
tn
ess
of
th
e
p
r
o
p
o
s
ed
tech
n
iq
u
e
m
ay
be
ex
p
lain
e
d
in
ter
m
s
th
at
by
c
h
an
g
in
g
s
in
g
le/d
o
u
b
le/tr
ip
le
b
its
of
th
e
s
ee
d
v
alu
e,
we
g
et
d
r
asti
c
ch
a
n
g
es
in
th
eir
co
r
r
esp
o
n
d
i
n
g
d
e
cim
al
v
alu
es.
Su
ch
ch
an
g
es
ar
e
q
u
iet
r
an
d
o
m
in
n
atu
r
e
an
d
do
not
h
av
e
an
y
m
atch
in
g
p
atter
n
s
.
T
h
e
ce
n
tr
o
id
m
ea
n
o
v
er
th
ei
r
co
r
r
esp
o
n
d
in
g
d
ec
im
al
ar
e
6
2
.
9
,
6
0
.
8
,
6
3
.
0
a
n
d
5
9
.
2
r
esp
ec
tiv
ely
.
Hen
ce
th
e
i
n
tr
u
d
e
r
s
will
be
in
b
ig
d
o
u
b
t
to
d
etec
t
th
e
ex
ac
t
k
e
y
co
m
p
o
s
itio
n
.
3
.
1
.
G
ra
ph
ica
l
a
na
ly
s
is
Fig
u
r
es
5
-
16
co
n
tain
t
h
e
g
r
a
p
h
s
f
o
r
h
is
to
g
r
am
,
f
lo
atin
g
f
r
eq
u
en
cy
,
an
d
au
to
co
r
r
elatio
n
u
s
in
g
th
e
p
r
o
p
o
s
ed
k
e
y
s
,
I
K
1
,
I
K2
,
I
K3
,
an
d
I
K4
r
esp
ec
tiv
ely
af
ter
p
r
o
p
o
s
ed
en
cr
y
p
tio
n
.
His
to
g
r
am
s
g
r
ap
h
s
ar
e
ev
en
ly
p
o
is
ed
as
o
b
s
er
v
ed
in
th
o
s
e
f
ig
u
r
es.
Flo
atin
g
f
r
e
q
u
en
c
y
g
r
a
p
h
s
ar
e
u
n
if
o
r
m
ly
s
p
r
ea
d
th
r
o
u
g
h
o
u
t
th
e
ch
ar
ac
te
r
s
et.
No
s
im
i
lar
p
atter
n
s
wer
e
f
o
u
n
d
in
th
e
g
r
a
p
h
s
of
th
e
au
to
co
r
r
elatio
n
.
Du
r
in
g
th
e
h
y
p
er
d
ig
itizatio
n
of
teleh
ea
lth
,
in
tr
u
d
er
s
ca
n
n
o
t
g
u
ess
/as
s
u
m
e
an
y
p
atter
n
f
r
o
m
th
e
ci
p
h
e
r
tex
t
of
o
u
r
tech
n
iq
u
e.
T
h
is
co
u
ld
be
a
b
lo
s
s
o
m
f
o
r
p
ae
d
iatr
ic
teleh
e
alth
s
y
s
tem
in
th
e
C
OVI
D
-
19
p
an
d
e
m
ic
tim
e.
T
h
u
s
,
it
m
ay
b
e
well
s
aid
th
at
in
tr
u
d
er
s
ca
n
n
o
t
g
u
ess
th
e
ex
ac
t
k
ey
co
m
p
o
s
itio
n
t
o
g
r
asp
th
e
p
ae
d
iatr
ic
ca
v
ity
in
tr
a
o
r
al
im
ag
es.
T
h
u
s
,
t
h
e
co
n
f
id
en
tiality
o
f
an
y
ch
ild
r
e
n
will b
e
m
ain
tain
ed
in
t
h
ese
p
r
o
p
o
s
ed
C
OVI
D
-
19
telec
ar
e
i
n
f
o
r
m
atio
n
s
y
s
tem
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4
8
6
4
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
11
,
No
.
1
,
M
ar
c
h
20
22
:
13
-
24
18
Fig
u
r
e
5
.
His
to
g
r
am
o
f
Paed
ia
tr
ic
C
av
ity
with
NC
K_
I
D
=I
K1
Fig
u
r
e
6
.
Flo
atin
g
Fre
q
u
en
cy
o
f
Paed
iatr
ic
C
av
ity
with
NC
K_
I
D
=I
K1
Fig
u
r
e
7
.
Au
t
o
co
r
r
elatio
n
o
f
p
ae
d
iatr
ic
ca
v
ity
with
NC
K_
I
D
=I
K1
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
I
SS
N:
2089
-
4
8
6
4
C
OV
I
D
-
1
9
p
a
ed
i
a
tr
ic
ca
vity
telec
a
r
e
s
ystem:
a
n
o
ve
l c
h
a
in
ke
y
g
en
era
tio
n
a
n
d
…
(
Jo
yd
ee
p
Dey
)
19
Fig
u
r
e
8
.
His
to
g
r
am
o
f
p
ae
d
ia
tr
ic
ca
v
ity
with
NC
K_
I
D
=I
K2
Fig
u
r
e
9
.
Flo
atin
g
f
r
eq
u
en
cy
o
f
p
ae
d
iatr
ic
ca
v
ity
with
NC
K_
I
D
=I
K2
Fig
u
r
e
1
0
.
Au
to
co
r
r
elatio
n
o
f
p
ae
d
iatr
ic
ca
v
ity
with
NC
K_
I
D
=I
K2
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4
8
6
4
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
11
,
No
.
1
,
M
ar
c
h
20
22
:
13
-
24
20
Fig
u
r
e
1
1
.
His
to
g
r
am
o
f
p
ae
d
i
atr
ic
ca
v
ity
with
NC
K_
I
D
=I
K3
Fig
u
r
e
1
2
.
Flo
atin
g
f
r
e
q
u
en
c
y
o
f
p
ae
d
iatr
ic
ca
v
ity
with
NC
K_
I
D
=I
K3
Fig
u
r
e
1
3
.
Au
to
co
r
r
elatio
n
o
f
p
ae
d
iatr
ic
ca
v
ity
with
NC
K_
I
D
=I
K3
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
I
SS
N:
2089
-
4
8
6
4
C
OV
I
D
-
1
9
p
a
ed
i
a
tr
ic
ca
vity
telec
a
r
e
s
ystem:
a
n
o
ve
l c
h
a
in
ke
y
g
en
era
tio
n
a
n
d
…
(
Jo
yd
ee
p
Dey
)
21
Fig
u
r
e
1
4
.
His
to
g
r
am
o
f
Paed
iatr
ic
C
av
ity
with
NC
K_
I
D
=I
K4
Fig
u
r
e
1
5
.
Flo
atin
g
Fre
q
u
e
n
cy
o
f
Paed
iatr
ic
C
av
ity
with
NC
K_
I
D
=I
K4
Fig
u
r
e
1
6
.
Au
to
co
r
r
elatio
n
o
f
p
ae
d
iatr
ic
ca
v
ity
with
NC
K_
I
D
=I
K4
3
.
2
.
Ses
s
io
n
k
ey
g
ener
a
t
io
n
t
im
e
co
m
pa
riso
n
T
h
e
s
ess
io
n
k
ey
is
th
e
m
o
s
t
v
i
tal
is
s
u
e
in
an
y
cr
y
p
to
g
r
ap
h
ic
s
ch
em
e
[
2
8
]
–
[
3
0
]
.
In
th
is
s
u
b
-
s
eg
m
en
t,
we
h
av
e
c
o
m
p
ar
e
d
th
e
s
ess
io
n
k
ey
g
en
e
r
atio
n
tim
e
n
ee
d
e
d
.
T
h
e
p
r
o
p
o
s
ed
NC
K
g
en
er
atio
n
on
p
ae
d
iatr
ic
C
OVI
D
-
19
h
as
b
ee
n
co
m
p
a
r
e
d
with
s
o
m
e
of
th
e
class
ical
alg
o
r
ith
m
s
of
cr
y
p
to
g
r
ap
h
ic
e
n
g
in
ee
r
in
g
.
T
ab
le
2
h
as
s
h
o
wn
th
e
n
ee
d
f
u
l
tim
in
g
co
m
p
ar
is
o
n
s
.
T
h
e
p
r
o
p
o
s
ed
N
C
K
tech
n
iq
u
e
h
as
an
ac
ce
p
tab
le
tim
e
v
alu
e
f
o
r
its
k
ey
g
e
n
er
atio
n
,
w
h
en
co
m
p
ar
e
d
with
o
th
er
s
.
T
h
is
p
r
o
v
es th
e
e
f
f
icac
y
o
f
th
e
p
r
o
p
o
s
ed
s
y
s
tem
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
9
-
4
8
6
4
I
n
t J Reco
n
f
ig
u
r
a
b
le
&
E
m
b
ed
d
ed
Sy
s
t
,
Vo
l.
11
,
No
.
1
,
M
ar
c
h
20
22
:
13
-
24
22
T
ab
le
2.
T
im
e
n
ee
d
ed
f
o
r
k
ey
g
en
er
atio
n
S
l
.
N
o
.
Te
c
h
n
i
q
u
e
K
e
y
g
e
n
e
r
a
t
i
o
n
t
i
m
e
(
ms)
1
P
r
o
p
o
se
d
h
e
r
e
5
1
4
.
6
1
2
I
D
E
A
4
9
2
.
4
7
3
RC5
6
1
5
.
2
1
4
RC6
5
1
1
.
2
5
3
.
3
.
Co
m
pu
t
ing
t
im
e
co
m
pa
riso
n
T
h
e
ac
ce
p
tan
ce
of
a
n
y
o
n
li
n
e
TIS
d
ep
en
d
s
on
th
e
am
o
u
n
t
of
tim
e
n
ee
d
ed
f
o
r
its
s
ec
u
r
ed
co
m
m
u
n
icatio
n
b
etwe
en
th
e
p
atien
t
an
d
th
e
p
h
y
s
ician
s
.
In
T
ab
le
3,
th
e
en
cr
y
p
tio
n
a
n
d
d
ec
r
y
p
tio
n
tim
e
wer
e
ev
alu
ated
in
s
ec
o
n
d
s
.
It
h
as
b
ee
n
o
b
s
er
v
ed
th
at
th
e
p
r
o
p
o
s
ed
tech
n
iq
u
e
o
p
er
ates
s
u
cc
ess
f
u
lly
on
d
if
f
er
e
n
t
ca
teg
o
r
ies
of
p
ae
d
iatr
ic
ca
v
ity
im
ag
es
in
f
ewe
r
tim
e
f
r
am
e
s
.
T
h
u
s
,
it
r
aised
its
ac
ce
p
tan
ce
f
ac
to
r
in
s
o
ciety
[
3
1
]
.
T
h
e
p
r
o
p
o
s
ed
NC
K
te
ch
n
iq
u
e
h
as
a
b
etter
co
m
p
u
t
in
g
tim
e
v
alu
e
as
co
m
p
ar
ed
with
th
e
ex
is
tin
g
cr
y
p
to
g
r
ap
h
ic
m
eth
o
d
s
.
T
h
is
p
r
o
v
es th
e
ef
f
icac
y
o
f
th
e
p
r
o
p
o
s
ed
NC
K
b
ased
cr
y
p
to
g
r
a
p
h
y
.
T
ab
le
3.
Pro
p
o
s
ed
en
c
r
y
p
tio
n
–
d
ec
r
y
p
tio
n
tim
e
c
o
m
p
ar
is
o
n
with
ex
is
tin
g
tech
n
iq
u
es
S
l
.
N
o
.
Ti
me
o
b
ser
v
e
d
(
ms)
P
r
o
p
o
se
d
h
e
r
e
I
D
EA
R
C
5
R
C
6
1
En
c
r
y
p
t
i
o
n
1
.
9
8
7
5
1
.
7
2
4
0
2
.
0
1
4
8
1
.
9
6
5
4
2
D
e
c
r
y
p
tio
n
1
.
6
1
0
8
1
.
5
5
0
7
1
.
7
5
8
1
1
.
7
0
5
8
3
T
o
ta
l
ti
m
e
3
.
5
9
8
3
3
.
2
7
4
7
3
.
7
7
2
9
3
.
6
7
1
2
3
.
4
.
K
ey
s
ize
co
m
pa
riso
n
In
th
is
s
u
b
-
s
ec
tio
n
,
a
k
e
y
le
n
g
th
co
m
p
ar
ativ
e
s
tu
d
y
was
done
on
th
e
p
r
o
p
o
s
ed
NC
K
with
o
th
er
m
eth
o
d
s
.
T
ab
le
4
co
n
tain
s
s
u
ch
v
alu
es.
T
ab
le
4.
Ses
s
io
n
k
ey
le
n
g
th
c
o
m
p
ar
is
o
n
S
l
.
N
o
.
Te
c
h
n
i
q
u
e
K
e
y
s
i
z
e
(
b
i
t
s)
1
P
r
o
p
o
se
d
h
e
r
e
70
2
I
D
E
A
1
2
8
3
RC5
128
4
RC6
1
2
8
,
1
9
2
,
or
2
5
6
3
.
5
.
Co
m
pa
riso
n
wit
h
ea
rlier
wo
rk
s
We
h
av
e
co
m
p
ar
ed
o
u
r
p
r
o
p
o
s
ed
NC
K
m
eth
o
d
with
s
o
m
e
of
th
e
ea
r
lier
p
ap
e
r
s
on
s
im
ilar
d
o
m
ain
.
T
ab
le
5
h
as
b
ee
n
f
illed
to
d
r
a
w
th
e
n
ee
d
ed
co
m
p
a
r
is
o
n
s
.
Tab
le
5
.
Co
m
p
a
riso
n
wit
h
o
th
e
r
p
a
p
e
rs
S
l
.
N
o
.
C
o
m
p
a
r
i
so
n
c
o
n
d
i
t
i
o
n
s
[
3
2
]
[
3
3
]
[
3
4
]
[
3
5
]
[
3
6
]
P
r
o
p
o
se
d
h
e
r
e
1
P
a
e
d
i
a
t
r
i
c
t
e
l
e
h
e
a
l
t
h
No
No
Y
e
s
No
Y
e
s
Y
e
s
2
Te
l
e
p
s
y
c
h
i
a
t
r
y
No
No
No
No
No
Y
e
s
3
C
h
i
l
d
’
s
l
i
v
e
d
a
t
a
se
n
si
n
g
No
No
No
No
No
No
4
S
e
ssi
o
n
k
e
y
g
e
n
e
r
a
t
i
o
n
Y
e
s
Y
e
s
Y
e
s
Y
e
s
Y
e
s
Y
e
s
5
D
a
t
a
e
n
c
r
y
p
t
i
o
n
Y
e
s
Y
e
s
Y
e
s
Y
e
s
Y
e
s
Y
e
s
6
D
a
t
a
c
o
mp
r
e
ssi
o
n
of
c
h
i
l
d
r
e
n
No
No
Y
e
s
No
No
No
7
A
n
a
l
y
s
i
s
on
sess
i
o
n
k
e
y
s
p
a
c
e
No
No
No
No
Y
e
s
No
8
H
i
st
o
g
r
a
m
g
r
a
p
h
No
No
No
No
Y
e
s
Y
e
s
9
F
l
o
a
t
i
n
g
c
h
a
r
a
c
t
e
r
f
r
e
q
u
e
n
c
y
No
No
No
No
Y
e
s
Y
e
s
10
A
u
t
o
c
o
r
r
e
l
a
t
i
o
n
g
r
a
p
h
Y
e
s
No
No
No
Y
e
s
Y
e
s
11
K
e
y
g
e
n
e
r
a
t
i
o
n
t
i
m
e
No
Y
e
s
No
No
Y
e
s
Y
e
s
12
C
o
m
p
u
t
i
n
g
t
i
m
e
c
a
l
c
u
l
a
t
i
o
n
No
No
No
No
Y
e
s
Y
e
s
13
I
n
t
e
r
med
i
a
t
e
k
e
y
v
a
l
u
e
s
No
No
No
No
No
Y
e
s
14
C
o
m
p
a
r
i
so
n
No
No
No
No
Y
e
s
Y
e
s
4.
CO
NCLU
SI
O
N
T
h
e
p
r
o
p
o
s
ed
tec
h
n
iq
u
e
is
an
in
ev
itab
le
g
estu
r
e
t
o
war
d
s
an
o
n
lin
e
C
OVI
D
-
19
telec
ar
e
in
f
o
r
m
atio
n
s
y
s
tem
in
ter
m
s
of
s
ec
u
r
e
d
m
e
d
ical
d
ata
tr
an
s
m
is
s
io
n
.
P
r
ec
a
u
tio
n
ar
y
m
ea
s
u
r
es
m
u
s
t
be
tak
en
am
id
s
t
C
OVI
D
-
19
.
In
t
h
is
u
n
p
r
ec
ed
en
ted
p
a
n
d
em
ic,
telem
ed
icin
e
h
as
b
ec
o
m
e
a
s
u
b
s
titu
te
way
of
tr
ea
tin
g
ch
ild
r
en
.
Secu
r
ity
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