Liu, Mingming http://orcid.org/0000-0002-6750-5068
Zhang, Xiaoyan
Wang, Bing
Wu, Qingbin
Li, Bingwei
Li, Ailing
Zhang, Honggang
Xiu, Ruijuan
Article History
Received: 24 August 2017
Accepted: 20 November 2017
First Online: 6 December 2017
Competing Interests
: The authors declare that they have no competing interests.