Togashi, Yu
Shirakawa, Jun
Okuyama, Tomoko
Yamazaki, Shunsuke
Kyohara, Mayu
Miyazawa, Ayumi
Suzuki, Takafumi
Hamada, Mari
Terauchi, Yasuo
Article History
Received: 14 December 2015
Accepted: 18 April 2016
First Online: 6 May 2016
Competing interests
: The authors declare no competing financial interests.