Hatayama, Naoyuki
Inubushi, Masayuki
Naito, Munekazu
Hirai, Shuichi
Jin, Yong-Nan
Tsuji, Atsushi B.
Seki, Kunihiro
Itoh, Masahiro
Saga, Tsuneo
Li, Xiao-Kang
Article History
Received: 4 May 2016
Accepted: 2 August 2016
First Online: 26 August 2016
Competing interests
: The authors declare no competing financial interests.