Kawahara, Teppei
Itoh, Masashi
Kozone, Ikuko
Izumikawa, Miho
Sakata, Noriaki
Tsuchida, Toshio
Shin-ya, Kazuo
Article History
Received: 7 April 2015
Revised: 8 June 2015
Accepted: 15 June 2015
First Online: 8 July 2015
Competing interests
: The authors declare no conflict of interest.
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