Okishige, Kaoru http://orcid.org/0000-0002-8202-9442
Aoyagi, Hideshi
Shigeta, Takatoshi
Nakamura, Rena A.
Nishimura, Takuro
Yamauchi, Yasuteru
Keida, Takehiko
Sasano, Tetsuo
Hirao, Kenzo
Article History
Received: 16 October 2017
Accepted: 18 April 2018
First Online: 24 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.