Kato, Shunji
Shimizu, Naoki
Hanzawa, Yasuhiko
Otoki, Yurika
Ito, Junya
Kimura, Fumiko
Takekoshi, Susumu
Sakaino, Masayoshi
Sano, Takashi
Eitsuka, Takahiro
Miyazawa, Teruo
Nakagawa, Kiyotaka
Article History
Received: 18 June 2017
Revised: 23 July 2017
Accepted: 20 August 2017
First Online: 12 January 2018
Competing interests
: The authors declare that they have no competing financial interests.