Akaiwa, Kei
Namekata, Kazuhiko
Azuchi, Yuriko
Guo, Xiaoli
Kimura, Atsuko
Harada, Chikako
Mitamura, Yoshinori
Harada, Takayuki http://orcid.org/0000-0001-6167-0997
Article History
Received: 18 April 2017
Revised: 6 June 2017
Accepted: 19 June 2017
First Online: 13 July 2017
Competing interests
: The authors declare no conflict of interest.