1. Division of Lower GI, Department of Gastroenterological Surgery, Hyogo Medical University
2. Department of Gastrointestinal Surgery, Nippon Medical School
3. Division of Gastrointestinal Oncology, Shizuoka Cancer Center
4. Department of Biostatistics, Clinical Research Center, Shizuoka Cancer Center
5. Department of Gastroenterological Surgery・Pediatric Surgery, Gifu University School of Medicine
6. Department of Gastrointestinal Surgery, Kanagawa Cancer Center
7. The Second Department of Internal Medicine, Osaka Medical College Hospital
8. Department of Gastroenterological Surgery, Osaka International Cancer Institute
9. Department of Surgery, Niigata Cancer Center Hospital
10. Department of Gastrointestinal Surgery, Yamagata Prefectural Central Hospital
11. Department of Colorectal Surgery, National Cancer Center Hospital
12. Department of Medical Oncology, Takarazuka City Hospital
13. Natera, Inc.