Fukumoto, Ichiro
Kikkawa, Naoko
Matsushita, Ryosuke
Kato, Mayuko
Kurozumi, Akira
Nishikawa, Rika
Goto, Yusuke
Koshizuka, Keiichi
Hanazawa, Toyoyuki
Enokida, Hideki
Nakagawa, Masayuki
Okamoto, Yoshitaka
Seki, Naohiko
Article History
Received: 27 August 2015
Revised: 5 September 2015
Accepted: 9 September 2015
First Online: 22 October 2015
Competing interests
: The authors declare no conflict of interest.
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