1. Clinical Medical College, Southwest Medical University, Luzhou 646000, China
2. Department of General Surgery, The Affiliated Hospital of Southwest Medical University, Sichuan, China
3. Academician (Expert) Workstation of Sichuan Province, Metabolic Hepatobiliary and Pancreatic Diseases Key Laboratory of Luzhou City, The Affiliated Hospital of Southwest Medical University, Sichuan, China
4. Department of Specialty Medicine, Ohio University, Athens 45701, OH, United States.