1. Department of General Surgery, Shandong Provincial Qianfoshan Hospital Shandong University Jinan Shandong China
2. Department of General Surgery, Shandong Provincial Qianfoshan Hospital The First Hospital Affiliated with Shandong First Medical University Jinan Shandong China
3. Department of General Surgery, Shandong Provincial Qilu Hospital (Qingdao) Shandong University Qingdao Shandong China
4. Medical Research Center, Shandong Provincial Qianfoshan Hospital The First Hospital Affiliated with Shandong First Medical University Jinan Shandong China