Yasuda, K
Hayashi, Y
Yoshida, T http://orcid.org/0000-0002-5508-418X
Kashiwagi, M
Nakagawa, N
Michikawa, T
Tanaka, M
Ando, R
Huang, A
Hosoya, T
McHugh, T J
Kuwahara, M
Itohara, S
Article History
Received: 21 December 2016
Accepted: 30 December 2016
First Online: 28 February 2017
Competing interests
: The authors declare no conflict of interest.