Amanuma, Yusuke
Ohashi, Shinya
Itatani, Yoshiro
Tsurumaki, Mihoko
Matsuda, Shun
Kikuchi, Osamu
Nakai, Yukie
Miyamoto, Shin’ichi
Oyama, Tsunehiro
Kawamoto, Toshihiro
Whelan, Kelly A.
Nakagawa, Hiroshi
Chiba, Tsutomu
Matsuda, Tomonari
Muto, Manabu
Article History
Received: 18 June 2015
Accepted: 11 August 2015
First Online: 16 September 2015
Competing interests
: The authors declare no competing financial interests.