title: Author's Reply.
authors.affiliation: Department of Pediatrics, Hirakata City Hospital, Hirakata, Japan; Department of Pediatrics, Osaka Medical Collage, Takatsuki, Japan.
authors.forename: Maki
authors.initials: M
authors.lastname: Koh
authors.forename: Jun
authors.initials: J
authors.lastname: Shinohara
authors.forename: Yasushi
authors.initials: Y
authors.lastname: Hongo
authors.forename: Tadashi
authors.initials: T
authors.lastname: Okazaki
authors.forename: Kimitaka
authors.initials: K
authors.lastname: Takitani
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Tamai