Yokoi, Akira
Yoshioka, Yusuke
Yamamoto, Yusuke
Ishikawa, Mitsuya
Ikeda, Shun-ichi
Kato, Tomoyasu
Kiyono, Tohru
Takeshita, Fumitaka
Kajiyama, Hiroaki
Kikkawa, Fumitaka
Ochiya, Takahiro
Article History
Received: 14 June 2016
Accepted: 3 January 2017
First Online: 6 March 2017
Competing interests
: The authors declare no competing financial interests.