Gotoh, Eiji
Suetsugu, Noriyuki http://orcid.org/0000-0002-3328-3313
Higa, Takeshi
Matsushita, Tomonao
Tsukaya, Hirokazu http://orcid.org/0000-0002-4430-4538
Wada, Masamitsu
Article History
Received: 25 August 2017
Accepted: 10 January 2018
First Online: 24 January 2018
Competing Interests
: The authors declare that they have no competing interests.