Sugiura, Yuki
Katsumata, Yoshinori
Sano, Motoaki
Honda, Kurara
Kajimura, Mayumi
Fukuda, Keiichi
Suematsu, Makoto
Article History
Received: 3 February 2016
Accepted: 5 August 2016
First Online: 1 September 2016
Competing interests
: The authors declare no competing financial interests.