Takata, Kazuyuki
Kawahara, Keisuke
Yoshida, Yasuyuki
Kuzuya, Akinori http://orcid.org/0000-0003-0003-2996
Ohya, Yuichi
Article History
Received: 24 April 2017
Revised: 31 May 2017
Accepted: 3 June 2017
First Online: 12 July 2017
Competing interests
: The authors declare no conflict of interest.
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