title: Reply.
authors.affiliation: Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-Sayama, Japan.
authors.forename: Satoru
authors.initials: S
authors.lastname: Hagiwara
authors.affiliation: Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-Sayama, Japan.
authors.forename: Naoshi
authors.initials: N
authors.lastname: Nishida
authors.affiliation: Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-Sayama, Japan.
authors.forename: Masatoshi
authors.initials: M
authors.lastname: Kudo