The International Society for Diseases of the Esophagus
, The European Association for Endoscopic Surgery
, Society of American Gastrointestinal and Endoscopic Surgeons
, JAPANESE COLLEGE OF SURGEONS
, 日本内視鏡外科学会
, JAPANESE SOCIETY FOR ABDOMINAL EMERGENCY MEDICINE
, JAPAN SURGICAL ASSOCIATION
, 日本内視鏡学会
, THE JAPANESE SOCIETY OF GASTROENTEROLOGICAL SURGERY
, 日本食道学会
, JAPAN SURGICAL SOCIETY