Monai, Hiromu
Ohkura, Masamichi
Tanaka, Mika
Oe, Yuki
Konno, Ayumu
Hirai, Hirokazu
Mikoshiba, Katsuhiko
Itohara, Shigeyoshi
Nakai, Junichi
Iwai, Youichi
Hirase, Hajime http://orcid.org/0000-0003-3806-6905
Article History
Received: 20 January 2016
Accepted: 19 February 2016
First Online: 22 March 2016
Competing interests
: The authors declare no competing financial interests.