Yoshida, Ayaka
Furube, Eriko
Mannari, Tetsuya
Takayama, Yasunori
Kittaka, Hiroki
Tominaga, Makoto
Miyata, Seiji
Article History
Received: 30 December 2015
Accepted: 25 April 2016
First Online: 18 May 2016
Competing interests
: The authors declare no competing financial interests.