Oike, Hiroshi http://orcid.org/0000-0001-6866-7774
Suzuki, Yuji http://orcid.org/0000-0002-9960-8977
Taniguchi, Hiromi
Seki, Yasuhide
Miyagawa, Kazuya
Kanoda, Kazushi http://orcid.org/0000-0001-5992-0125
Article History
Received: 6 May 2017
Accepted: 3 August 2017
First Online: 2 October 2017
Competing interests
: The authors declare no competing financial interests.