1. Division of Lower Gastrointestinal Surgery, Department of Gastroenterological Surgery Hyogo Medical University Nishinomiya Japan
2. Department of Clinical Research National Hospital Organization Disaster Medical Center Tokyo Japan
3. Department of Gastrointestinal Oncology National Cancer Center Hospital East Kashiwa Japan
4. Department of Surgery Kansai Rosai Hospital Japan Organization of Occupational Health and Safety Amagasaki Japan
5. Department of Medical Statistics Toho University Tokyo Japan
6. Department of Clinical Data Science, Clinical Research & Education Promotion Division National Center of Neurology and Psychiatry Tokyo Japan
7. Data Intelligence Department Daiichi Sankyo Co., Ltd. Tokyo Japan
8. Primary Medical Science Department Daiichi Sankyo Co., Ltd. Tokyo Japan