Sawada, Takayuki
Nishiyama, Takeshi
Kikuchi, Norimasa
Wang, Chaochen
Lin, Yingsong
Mori, Mitsuru
Tanno, Kozo
Tamakoshi, Akiko
Kikuchi, Shogo
Article History
Received: 26 April 2016
Accepted: 9 August 2016
First Online: 2 September 2016
Competing interests
: The authors declare no competing financial interests.