1. Department of General Surgery; Pizhou City People's Hospital; Pizhou City 221300 Jiangsu Province China
2. Department of Emergency Surgery; Shanghai Putuo District Central Hospital; Shanghai 200062 China
3. Biliary Tract Surgery Department 2, Eastern Hepatobiliary Surgery Hospital; Second Military Medical University; Shanghai 200430 China
4. Department of orthopedics; Pizhou Traditional Chinese Medicine Hospital; Pizhou City 221300 Jiangsu Province China
5. Department of General Surgery; Changhai Hospital, Second Military Medical University; Shanghai 200433 China
6. Department of Medical Oncology; Pizhou Traditional Chinese Medicine Hospital; Pizhou City 221300 Jiangsu Province China