Department;
of;
Gastroenterology,;
Tongji;
Hospital,;
Tongji;
Medical;
College,;
Huazhong;
University;
of;
Science;
and;
Technology,;
Wuhan;
430030,;
China;
Department;
of;
Liver;
Disease,;
Wuhan;
Medical;
Treatment;
Center,;
Whan;
430022,;
China;