1. Department of Integrated Chinese and Western Medicine Oncology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
2. Department of Gastrointestinal Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
3. Shanghai Clinical College, Anhui Medical University, Shanghai, China
4. Department of General Surgery, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai, China
5. The Fifth Clinical Medical College of Anhui Medical University, Hefei, China
6. Department of Infectious Diseases, The First Affiliated Hospital of Anhui Medical University, Hefei, China