International Hepato-Pancreato Biliary Association
, The European Association of Endoscopic Surgery
, Japan Surgical Association
, Japan Society of Clinical Oncology
, Japanese Liver Transplantation Society
, The Japan Society for Transplantation
, Japan Biliary Association
, The Japan Society of Hepatology
, Japan Society of Endoscopic Surgery
, Japanese Society おfHepato-Biliary-Pancreatc Surgery
, The Japanese Society of Gastroenterology
, The Japanese Society of Gastroenterological Surgery
, Japan Surgical Society