Otsuka, Kenichiro http://orcid.org/0000-0003-1359-3143
Nakanishi, Koki
Shimada, Kenei
Nakamura, Haruo
Inanami, Hitoshi
Nishioka, Hiroki
Fujimoto, Kohei
Kasayuki, Noriaki
Yoshiyama, Minoru
Article History
Received: 17 January 2018
Accepted: 18 May 2018
First Online: 22 May 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interest.