日本リウマチ財団
, 日本がん治療認定医機構
, The Japanese Society of Geriatric Gastroenterology
, American Association for Cancer Research ; Active Membership
, The Japanese Society for Mucosal Immunology
, Japanese Society for Inflammatory Bowel Disease
, The Japanese Society of Small Intestinal Disease
, The Japan Society of Coloproctology
, The Japanese Society of Clinical Immunology
, Japanese Association for Capsule Endoscopy
, The Japanese Gastroenterological Association
, Japan College of Rheumatology
, Japan Gastroenterological Endoscopy Society
, The Japanese Society of Gastroenterology
, The Japanese Society of Internal Medicine