1. Department of Hernia and Hepatobiliary Surgery, The First Affiliated Hospital of Ningbo University, Zhejiang, China.
2. Gastrointestinal Surgery Department of General Surgery Center, School of Medicine, Shanghai General Hospital Affiliated to Shanghai Jiaotong University, Shanghai, China.
3. Department of General Surgery, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai, China.
4. Department of Minimally Invasive Surgery, Putuo Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
5. Department of Hernia and Abdominal Wall Surgery, Shanghai East Hospital, Tongji University, Shanghai, China.