Saito, Yu https://orcid.org/0000-0001-6155-5278
Nakamura, Yasuharu
Bahramy, Mohammad Saeed
Kohama, Yoshimitsu
Ye, Jianting
Kasahara, Yuichi
Nakagawa, Yuji
Onga, Masaru
Tokunaga, Masashi
Nojima, Tsutomu
Yanase, Youichi
Iwasa, Yoshihiro
Article History
Received: 15 June 2015
Accepted: 30 October 2015
First Online: 7 December 2015
Competing interests
: The authors declare no competing financial interests.