Yamada, Toshikazu
Fukuhara, Katsuo
Matsuoka, Ken
Minemawari, Hiromi
Tsutsumi, Jun’ya
Fukuda, Nobuko
Aoshima, Keisuke
Arai, Shunto
Makita, Yuichi
Kubo, Hitoshi
Enomoto, Takao
Togashi, Takanari
Kurihara, Masato
Hasegawa, Tatsuo http://orcid.org/0000-0001-5187-7433
Article History
Received: 20 December 2015
Accepted: 21 March 2016
First Online: 19 April 2016
Competing interests
: The authors declare no competing financial interests.