Hayakawa, Koji http://orcid.org/0000-0003-0453-1303
Terada, Kanae
Takahashi, Tomohiro
Oana, Hidehiro
Washizu, Masao
Tanaka, Satoshi
Article History
Received: 11 January 2018
Accepted: 20 March 2018
First Online: 11 April 2018
Competing Interests
: The authors declare no competing interests.