1. Department of Gastrointestinal Surgery, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
2. Department of Gastrointestinal Surgery, Shanghai Tenth People’s Hospital Affiliated to Tongji University, Shanghai, China
3. The Second People’s Hospital of Wuhu, Wuhu, China
4. Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
5. Department of Pancreatitis Center, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China