Sato, Hiroki
Shien, Kazuhiko
Tomida, Shuta
Okayasu, Kazuhiro
Suzawa, Ken
Hashida, Shinsuke
Torigoe, Hidejiro
Watanabe, Mototsugu
Yamamoto, Hiromasa
Soh, Junichi
Asano, Hiroaki
Tsukuda, Kazunori
Miyoshi, Shinichiro
Toyooka, Shinichi
Article History
Received: 18 August 2016
Accepted: 9 December 2016
First Online: 13 January 2017
Competing interests
: The authors declare no competing financial interests.