Koya, Junji
Kataoka, Keisuke http://orcid.org/0000-0002-8263-9902
Sato, Tomohiko
Bando, Masashige
Kato, Yuki
Tsuruta-Kishino, Takako
Kobayashi, Hiroshi
Narukawa, Kensuke
Miyoshi, Hiroyuki
Shirahige, Katsuhiko
Kurokawa, Mineo
Article History
Received: 9 August 2015
Accepted: 2 February 2016
First Online: 24 March 2016
Competing interests
: The authors declare no competing financial interests.