Igata, R
Katsuki, A
Kakeda, S
Watanabe, K
Igata, N
Hori, H
Konishi, Y
Atake, K
Kawasaki, Y
Korogi, Y
Yoshimura, R
Article History
Received: 20 October 2016
Revised: 27 January 2017
Accepted: 16 March 2017
First Online: 30 May 2017
Competing interests
: The authors declare no conflict of interest.