1. Academic Committee of Japan Society for Endoscopic Surgery Tokyo Japan
2. Department of Gastroenterological and Pediatric Surgery Oita University Faculty of Medicine Yufu Japan
3. Department of Obstetrics and Gynecology Nippon Medical School Tokyo Japan
4. Department of Urology, Graduate School of Biomedical Sciences Tokushima University Tokushima Japan
5. Department of Surgery Division of Colorectal Surgery, Tokyo Women's Medical University Tokyo Japan
6. Department of Surgery Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
7. Department of Surgery Shonan Keiiku Hospital Fujisawa Japan
8. Department of Gastroenterological Surgery Osaka University Graduate School of Medicine Osaka Japan
9. Department of Surgery Nakatsu Municipal Hospital Nakatsu Japan
10. Weight Loss and Metabolic Surgery Center Yotsuya Medical Cube Tokyo Japan
11. Department of Pediatric Surgery, Research Field in Medical and Health Sciences, Medical and Dental Area, Research and Education Assembly Kagoshima University Kagoshima Japan
12. Department of General Thoracic Surgery Tokai University School of Medicine Isehara Japan
13. Department of Thoracic Surgery University of Tsukuba Ibaragi Japan
14. Department of Breast Surgery Kaizuka Hospital Fukuoka Japan
15. Department of Cardiovascular Surgery Tokyo Bay Urayasu Ichikawa Medical Center Urayasu Japan
16. Department of Urology Oita University Faculty of Medicine Yufu Japan
17. Department of Orthopedic Surgery Toho University School of Medicine Tokyo Japan
18. Department of Plastic and Reconstructive Surgery Saga University, Faculty of Medicine Saga Japan
19. Department of Obstetrics and Gynecology Tottori University Hospital Yonago Japan
20. Department of Urology Tokai University School of Medicine Isehara Japan
21. Kitakyushu Koga Hospital Koga Japan
22. National Hospital Organization Tokyo Medical Center Tokyo Japan
23. Oita University Yufu Japan
24. Kitasato University Kitasato Institute Hospital Tokyo Japan
25. Japanese Red cross Osaka Hospital Osaka Japan