1. Department of General Surgery & Guangdong Provincial Key Laboratory of Precision Medicine for Gastrointestinal Tumor Nanfang Hospital, The First School of Clinical Medicine, Southern Medical University Guangzhou Guangdong China
2. Department of Hernia and Abdominal Wall Surgery Beijing Chaoyang Hospital, Capital Medical University Beijing Beijing China
3. Department of General Surgery The sixth people's hospital of Huizhou Huizhou Guangdong China