1 Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China.
2 Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China; Department of General Surgery, Nanjing Red Cross Hospital, Nanjing, China.
3 Department of General Surgery, Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research & The Affiliated Cancer Hospital of Nanjing Medical University, Nanjing, China.
4 Department of Gastroenterology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China. Electronic address: [email protected].
5 Department of General Surgery, Zhongda Hospital, Medical School, Southeast University, Nanjing, Jiangsu, China. Electronic address: [email protected].
6 Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China. Electronic address: [email protected].