Hasegawa, Chiaki
Ikeda, Takashi
Yoshimura, Yuko
Hiraishi, Hirotoshi
Takahashi, Tetsuya
Furutani, Naoki
Hayashi, Norio
Minabe, Yoshio
Hirata, Masayuki
Asada, Minoru
Kikuchi, Mitsuru
Article History
Received: 27 April 2016
Accepted: 21 September 2016
First Online: 10 October 2016
Competing interests
: The authors declare no competing financial interests.