1. Department of Gastrointestinal and Pediatric Surgery Tokyo Medical University Tokyo Japan
2. Department of Surgery and Oncology Graduate School of Medical Sciences Kyushu University Fukuoka Japan
3. Division of General and Transplant Surgery Pisa University Hospital Pisa Italy
4. Division of Gastrointestinal Surgery and Minimal Access Surgery GEM Hospital and Research Centre Coimbatore India
5. Second Department of Hepatopancreatobiliary Surgery Chinese People's Liberation Army (PLA) General Hospital Beijing China
6. Department of Surgery Taipei Veterans General Hospital and National Yang Ming University Taipei Taiwan
7. Department of Surgery Johns Hopkins University School of Medicine Baltimore MD USA
8. First Department of Surgery Kagoshima University School of Medicine Kagoshima Japan
9. Department of Hepatobiliary and Pancreatic Surgery Division National Cancer Center Hospital Tokyo Japan
10. Department of Gastroenterological Surgery Graduate School of Medicine Yokohama City University Yokohama Yokohama Japan