Samata, Bumpei
Doi, Daisuke
Nishimura, Kaneyasu
Kikuchi, Tetsuhiro
Watanabe, Akira
Sakamoto, Yoshimasa
Kakuta, Jungo
Ono, Yuichi
Takahashi, Jun
Article History
Received: 14 September 2015
Accepted: 2 September 2016
First Online: 14 October 2016
Competing interests
: The authors declare no competing financial interests.