Sagai, Tomoko
Amano, Takanori
Maeno, Akiteru
Kimura, Tetsuaki
Nakamoto, Masatoshi
Takehana, Yusuke
Naruse, Kiyoshi http://orcid.org/0000-0001-9185-3495
Okada, Norihiro
Kiyonari, Hiroshi
Shiroishi, Toshihiko
Article History
Received: 7 October 2016
Accepted: 16 December 2016
First Online: 3 February 2017
Competing interests
: The authors declare no competing financial interests.