title: In Reply.
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, Nishinomiya City, Hyogo, Japan.
authors.forename: Kenji
authors.initials: K
authors.lastname: Kurosaka
authors.affiliation: Department of Orthopaedic Surgery, Hokusuikai Kinen Hospital, Mito, Ibaraki, Japan.
authors.forename: Sachiyuki
authors.initials: S
authors.lastname: Tsukada
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, Nishinomiya City, Hyogo, Japan.
authors.forename: Daisuke
authors.initials: D
authors.lastname: Seino
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, Nishinomiya City, Hyogo, Japan.
authors.forename: Takatoshi
authors.initials: T
authors.lastname: Morooka
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, Nishinomiya City, Hyogo, Japan.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Nakayama
authors.affiliation: Department of Orthopaedic Surgery, Hyogo College of Medicine, Nishinomiya City, Hyogo, Japan.
authors.forename: Shinichi
authors.initials: S
authors.lastname: Yoshiya