Okuma, Gaku
Kadowaki, Daiki
Hondo, Tsuyoshi
Tanaka, Satoshi
Wakai, Fumihiro http://orcid.org/0000-0002-8391-139X
Article History
Received: 21 April 2017
Accepted: 29 August 2017
First Online: 11 September 2017
Competing Interests
: The authors declare that they have no competing interests.