1. Division of Surgical Oncology Department of Surgery University of Colorado School of MedicineAnschutz Medical Campus Aurora Colorado USA
2. Department of Hepatobiliary and Pancreatic Surgery Cancer Institute Hospital Japanese Foundation for Cancer Research Tokyo Japan
3. Department Surgery Kansai Medical University Osaka Japan
4. Department Surgery Center for Liver and Pancreatobiliary Cancer National Cancer Center Goyang Korea
5. Department of Gastroenterological Surgery Osaka International Cancer Institute Osaka Japan
6. Department of Surgery Johns Hopkins University School of Medicine Baltimore USA
7. Department of Surgery Fukuyama City Hospital Hiroshima Japan
8. Department of General, Visceral and Transplantation Surgery University of Heidelberg Germany
9. Department of Surgery Keio University School of Medicine Tokyo Japan
10. Department of Gastroenterological Surgery Nagoya University Graduate School of Medicine Nagoya Japan
11. Department of Surgery Tohoku University Sendai Japan
12. Department of Surgery New York University Langone Health New York New York USA
13. Department of Surgery Amsterdam UMC University of AmsterdamCancer Center Amsterdam Amsterdam The Netherlands
14. Department of Gastrointestinal and Pediatric Surgery Tokyo Medical University Tokyo Japan
15. Director of Mie University Graduate School of Medicine Tsu Japan
16. Department of Gastroenterological Surgery Yokohama City University Graduate School Medicine Yokohama Japan