1. Department of General Surgery (Hepatopancreatobiliary Surgery), The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China
2. Department of General Surgery, The First People’s Hospital of Neijiang, Neijiang641000, Sichuan, China
3. Academician (Expert) Workstation of Sichuan Province, The Affiliated Hospital of Southwest Medical University, Luzhou646000, Sichuan, China