Department of Gastroenterology, National Center for Global Health and Medicine, Tokyo, Japan

Akira Shimomura MD & Chizu Yokoi MD, PhD

Department of General Internal Medicine, National Center for Global Health and Medicine, Tokyo, Japan

Akira Shimomura MD

Clinical Research Advancement Section, Research Institute, National Center for Global Health and Medicine, Tokyo, Japan

Akira Shimomura MD, Teruki Hagiwara MS, Masayoshi Terayama MD, PhD & Yuki I. Kawamura PhD

Course of Advanced and Specialized Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan

Akira Shimomura MD, Kazuhiko Yamada MD, PhD, FACS & Masayoshi Terayama MD, PhD

Department of Surgery, National Center for Global Health and Medicine, Tokyo, Japan

Kazuhiko Yamada MD, PhD, FACS, Masayoshi Terayama MD, PhD & Kyoko Nohara MD, PhD

Pathology Division of Clinical Laboratory, National Center for Global Health and Medicine, Tokyo, Japan

Toru Igari MD