Hiramatsu, Kosuke
Yoshino, Kiyoshi
Serada, Satoshi
Yoshihara, Kosuke
Hori, Yumiko
Fujimoto, Minoru
Matsuzaki, Shinya
Egawa-Takata, Tomomi
Kobayashi, Eiji
Ueda, Yutaka
Morii, Eiichi
Enomoto, Takayuki
Naka, Tetsuji
Kimura, Tadashi
Article History
Received: 29 July 2015
Revised: 9 December 2015
Accepted: 20 January 2016
First Online: 18 February 2016
Competing interests
: The authors declare no conflict of interest.