1. Department of Hepatobiliary and Pancreatic Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
2. Department of Hepatobiliary and Pancreatic Surgery, Jiangxi Provincial People’s Hospital, Nanchang, China
3. Department of Hepatobiliary Surgery, Sun Yat-sen University Cancer Center, Guangzhou, China
4. Department of Hepatobiliary Surgery, Peking Union Medical College, Beijing, China