1. Academic Committee of Japan Society for Endoscopic Surgery; Japan
2. Department of Gastroenterological and Pediatric Surgery; Oita University Faculty of Medicine; Yufu Japan
3. Department of Gastroenterological Surgery; Oita Prefectural Hospital; Oita Japan
4. Department of Gastroenterological Surgery; Oita Kouseiren Tsurumi Hospital; Beppu Japan
5. Department of Obstetrics and Gynecology; Nippon Medical School; Tokyo Japan
6. Department of Advanced Medical Initiatives; Faculty of Medical Sciences, Kyushu University; Fukuoka Japan
7. Department of Gastroenterological Surgery; Saitama Medical University International Medical Center; Saitama Japan
8. Department of Surgery; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki Japan
9. Department of Surgery; Keio University School of Medicine; Tokyo Japan
10. Department of Gastroenterological Surgery; Nagoya City University Medical School of Medicine; Nagoya Japan
11. Department of Pediatric Surgery; Kagoshima University Medical School of Medical and Dental Sciences; Kagoshima Japan
12. Department of General Thoracic Surgery; Jichi Medical University; Tochigi Japan
13. Department of General Thoracic Surgery; Tokai University School of Medicine; Isehara Japan
14. Department of Breast and Endocrine Surgery; Osaka International Cancer Institute; Osaka Japan
15. Department of Cardiovascular Surgery; Tokyo Bay Urayasu Ichikawa Medical Center; Urayasu Japan
16. Department of Urology; Graduate School of Biomedical Sciences, Tokushima University; Tokushima Japan
17. Department of Urology; Oita University Faculty of Medicine; Yufu Japan
18. Department of Orthopedic Surgery; Kawasaki Medical School; Okayama Japan
19. Department of Plastic and Reconstructive Surgery; Toho University School of Medicine; Tokyo Japan
20. Department of Surgery; Jikei University School of Medicine; Tokyo Japan
21. Department of Surgery; General Tokyo Hospital; Tokyo Japan
22. Department of Urology; Beppu-Gengendo Shonin Hospital; Beppu Japan
23. National Hospital Organization Tokyo Medical Center; Tokyo Japan
24. Fukuseikai Hospital; Fukuoka Japan
25. Oita University; Yufu Japan
26. Department of Surgery; Kitasato University School of Medicine; Sagamihara Japan