1. Department of Hepatobiliary surgery, The first Affiliated Hospital, Chongqing Medical University, Chongqing, People’s Republic of China
2. Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, People’s Republic of China
3. Hepatobiliary and Pancreatic Cancer Center, Chongqing University Cancer Hospital, Chongqing, People’s Republic of China