1. Department of Surgery, Weill Cornell Medicine/New York Presbyterian Hospital, New York, New York, United States
2. Department of Next Generation Endoscopic Intervention (Project ENGINE), Osaka University Graduate School of Medicine, Osaka, Japan
3. Department of Surgery, Kindai University Faculty of Medicine, Osaka, Japan.
4. Gastroenterology, Hepatology and Nutrition Service, Memorial Sloan Kettering Cancer Center, New York, New York, United States