Furukawa, S
Sakai, T
Niiya, T
Miyaoka, H
Miyake, T
Yamamoto, S
Maruyama, K
Ueda, T
Senba, H
Torisu, M
Minami, H
Onji, M
Tanigawa, T
Matsuura, B
Hiasa, Y
Miyake, Y
Article History
Received: 9 May 2016
Revised: 29 July 2016
Accepted: 16 October 2016
First Online: 17 November 2016
Competing interests
: The authors declare no conflict of interest.