JAPAN BILIARY ASSOCIATION
, JAPANESE SOCIETY OF PEDIATRIC SURGEONS
, 日本内視鏡外科学会
, JAPAN SURGICAL ASSOCIATION
, JAPANESE ASSOCIATION FOR ACUTE MEDICINE
, JAPAN PANCREAS SOCIETY
, JAPANESE SOCIETY OF HEPATO-BILIARY-PANCREATIC SURGERY
, THE JAPAN SOCIETY FOR TRANSPLANTATION
, JAPANESE SOCIETY OF GASTROENTEROLOGY
, THE JAPANESE SOCIETY OF GASTROENTEROLOGICAL SURGERY
, JAPAN SURGICAL SOCIETY