Zheng, W
Yokomichi, H http://orcid.org/0000-0001-7369-155X
Matsubara, H
Ishikuro, M
Kikuya, M
Isojima, T
Yokoya, S
Tanaka, T
Kato, N
Chida, S
Ono, A
Hosoya, M
Tanaka, S
Kuriyama, S
Kure, S
Yamagata, Z
Article History
Received: 9 October 2015
Revised: 24 October 2016
Accepted: 17 December 2016
First Online: 17 January 2017
Competing interests
: The authors declare no conflict of interest.