1. Department of Hepatobiliary Surgery, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, China
2. Department of Clinical Medicine, Second Military Medical University, Shanghai, China
3. Faculty of Medicine, the Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong
4. Department of Hepatobiliary Surgery, Pu’er People’s Hospital, Yunnan, China
5. The First Department of General Surgery, the Fourth Hospital of Harbin, Heilongjiang, China
6. Department of General Surgery, Liuyang People’s Hospital, Hunan, China
7. Department of General Surgery, Ziyang First People’s Hospital, Sichuan, China
8. Department of Hepatobiliary Surgery, Mengchao Hepatobiliary Hospital, Fujian Medical University, Fujian, China