1. Center for Fatty Liver, Department of Gastroenterology, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, P.R. China
2. Diagnosis and Treatment Center for Liver Diseases, Zhengxing Hospital, Zhangzhou, Fujian 363000, P.R. China
3. Department of Infective Diseases, Tianjin Infectious Disease Hospital, Tianjin�300192, P.R. China