Hiraki, Tatsurou
Aihara, Takuma
Hasebe, Koichi
Takeda, Koji http://orcid.org/0000-0003-4941-1655
Fujii, Takuro
Kakitsuka, Takaaki
Tsuchizawa, Tai
Fukuda, Hiroshi
Matsuo, Shinji
Article History
Received: 27 February 2017
Accepted: 21 June 2017
First Online: 17 July 2017
Competing interests
: The authors declare no competing financial interests.