Kanazawa, Tomonoshin
Gotoh, Masafumi
Ohta, Keisuke
Honda, Hirokazu
Ohzono, Hiroki
Shimokobe, Hisao
Shiba, Naoto
Nakamura, Kei-ichiro
Article History
Received: 2 June 2016
Accepted: 1 September 2016
First Online: 20 September 2016
Competing interests
: The authors declare no competing financial interests.