1. Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, China
2. Tianjin General Surgery Institute, Tianjin Medical University General Hospital, Tianjin, China
3. Department of Ultrasonography, National Cancer Center/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
4. Department of Endocrinology and Metabolism, Tianjin Medical University General Hospital, Tianjin, China
5. Department of Anorectal Surgery, People’s Hospital of Hunan Province, First Affiliated Hospital of Hunan Normal University, Changsha, Hunan, China
6. Department of Colorectal Surgery, The Second Hospital of Tianjin Medical University, Tianjin, China
7. Department of Gynecology and Obstetrics, Tianjin Medical University General Hospital, Tianjin, China
8. Department of Urologic Sciences, The University of British Columbia, Vancouver, BC, Canada
9. Immunity and Infection Research Centre, Vancouver Coastal Health Research Institute, Vancouver, BC, Canada