of;
Infectious;
Diseases,;
The;
First;
Hospital;
Affiliated;
to;
Anhui;
Medical;
University,;
Hefei,;
Anhui;
Province;
230032,;
China;
of;
Hepatopathy,;
The;
Second;
Hospital;
Affiliated;
to;
Anhui;
Medical;
University,;
Hefei,;
Anhui;
Province;
230601,;
China;
of;
Epidemiology;
and;
Biostatistics,;
School;
of;
Public;
Health,;
Anhui;
Medical;
University,;
Hefei,;
Anhui;
Province;
230032,;
China;