title: Reply.
authors.affiliation: Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan.
authors.forename: Takeshi
authors.initials: T
authors.lastname: Kondo
authors.affiliation: Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan.
authors.forename: Toyofumi F
authors.initials: TF
authors.lastname: Chen-Yoshikawa
authors.affiliation: Department of Thoracic Surgery, Graduate School of Medicine, Kyoto University, 54 Shogoin, Kawahara-cho, Sakyo-ku, Kyoto 606-8507, Japan. Electronic address: hdate@kuhp.kyoto-u.ac.jp.
authors.forename: Hiroshi
authors.initials: H
authors.lastname: Date