Chen, Chih-Yao
Sano, Teruki
Tsuda, Tetsuya
Ui, Koichi
Oshima, Yoshifumi
Yamagata, Masaki
Ishikawa, Masashi
Haruta, Masakazu
Doi, Takayuki
Inaba, Minoru
Kuwabata, Susumu
Article History
Received: 2 September 2016
Accepted: 11 October 2016
First Online: 26 October 2016
Competing interests
: The authors declare no competing financial interests.