Asahi, Shigeo http://orcid.org/0000-0003-1512-106X
Teranishi, Haruyuki
Kusaki, Kazuki
Kaizu, Toshiyuki
Kita, Takashi
Article History
Received: 15 July 2016
Accepted: 16 February 2017
First Online: 6 April 2017
Competing interests
: The authors declare no competing financial interests.