Correspondence: Address correspondence to: Sachiyo Onishi, PhD, MD, Department of Gastroenterology and Internal Medicine, Gifu University Graduate School of Medicine, 1-1 Yanagido, Gifu 501-1193, Japan.; Department of Gastroenterology and Internal Medicine, Gifu University Graduate School of Medicine, Yanagido, Gifu, Japan
Takashi Ibuka
Department of Gastroenterology and Internal Medicine, Gifu University Graduate School of Medicine, Yanagido, Gifu, Japan
Masahito Shimizu
Department of Gastroenterology and Internal Medicine, Gifu University Graduate School of Medicine, Yanagido, Gifu, Japan