1. Department of Medical Oncology Sun Yat‐sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine Guangzhou China
2. Department of Epidemiology Harvard T. H. Chan School of Public Health Boston Massachusetts USA
3. Department of Epidemiology and Biostatistics Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University Nanjing China
4. Department of General Visceral and Transplantation Surgery University of Heidelberg Heidelberg Germany
5. Study Centre of the German Surgical Society University of Heidelberg Heidelberg Germany
6. Center of Gastrointestinal Surgery the First Affiliated Hospital, Sun Yat‐sen University Guangzhou China
7. Division of Gastroenterology Massachusetts General Hospital and Harvard Medical School Boston Massachusetts USA
8. Clinical and Translational Epidemiology Unit Massachusetts General Hospital and Harvard Medical School Boston Massachusetts USA
9. Section for Colorectal Cancer Screening Cancer Registry of Norway Oslo Norway
10. Department of Transplantation Medicine, Division of Surgery, Inflammatory Diseases and Transplantation Norwegian PSC Research Center, Oslo University Hospital Oslo Norway
11. Department of Nutrition Harvard T. H. Chan School of Public Health Boston Massachusetts USA