title: Response.
authors.affiliation: Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-sayama, Japan.
authors.forename: Masayuki
authors.initials: M
authors.lastname: Kitano
authors.affiliation: Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-sayama, Japan.
authors.forename: Hajime
authors.initials: H
authors.lastname: Imai
authors.affiliation: Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-sayama, Japan.
authors.forename: Ken
authors.initials: K
authors.lastname: Kamata
authors.affiliation: Department of Gastroenterology and Hepatology, Kinki University School of Medicine, Osaka-sayama, Japan.
authors.forename: Masatoshi
authors.initials: M
authors.lastname: Kudo