Meng, Xianyong http://orcid.org/0000-0003-4182-5028
Wang, Hao
Wu, Yiping http://orcid.org/0000-0002-5163-0884
Long, Aihua
Wang, Jianhua
Shi, Chunxiang
Ji, Xiaonan
Article History
Received: 1 June 2017
Accepted: 11 August 2017
First Online: 16 October 2017
Competing Interests
: The authors declare that they have no competing interests.