title: Reply.
authors.affiliation: Department of Gastroenterology and Hepatology, Saitama Medical University, Saitama, Japan.
authors.forename: Yohei
authors.initials: Y
authors.lastname: Fujii
authors.affiliation: Department of Gastroenterology and Hepatology, Saitama Medical University, Saitama, Japan.
authors.forename: Yoshihito
authors.initials: Y
authors.lastname: Uchida
authors.affiliation: Department of Gastroenterology and Hepatology, Saitama Medical University, Saitama, Japan.
authors.forename: Satoshi
authors.initials: S
authors.lastname: Mochida