1. Department of General Surgery, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
2. Department of Pathology, NO. 401 Hospital of PLA, Qingdao, Shandong, China
3. Department of Gastroenterology, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
4. Department of Laboratory Medicine, The Second Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
5. Department of General Surgery, East Hospital Tongji University School of Medicine, Shanghai, China