Aoki, Takayuki http://orcid.org/0000-0003-1850-3469
Ota, Yoshihide
Sasaki, Masashi
Aoyama, Ken-ichi
Akiba, Takeshi
Shirasugi, Yukari
Naito, Mariko
Shiroiwa, Takeru
Article History
Received: 8 July 2018
Accepted: 29 October 2018
First Online: 3 November 2018
Conflict of interest
: All the authors declare that they have no conflict of interest.