日本消化器外科学会
, 日本外科学会
, 日本外科感染症学会
, JAPANESE SOCIETY FOR ABDOMINAL EMERGENCY MEDICINE
, JAPAN SURGICAL ASSOCIATION
, JAPAN GASTROENTEROLOGICAL ENDOSCOPY SOCIETY
, JAPANESE SOCIETY OF GASTROENTEROLOGY
, The Japan Society of Hepatology
, JAPAN PANCREAS SOCIETY
, JAPAN BILIARY ASSOCIATION
, JAPANESE SOCIETY OF HEPATO-BILIARY-PANCREATIC SURGERY