Watanabe, Yusuke
Miyasaka, Kota Y.
Kubo, Atsushi
Kida, Yasuyuki S.
Nakagawa, Osamu
Hirate, Yoshikazu
Sasaki, Hiroshi
Ogura, Toshihiko
Article History
Received: 22 August 2016
Accepted: 13 March 2017
First Online: 12 April 2017
Competing interests
: The authors declare no competing financial interests.