Chen, Lihua http://orcid.org/0000-0001-5037-050X
Yang, Qifang
Bao, Jing
Liu, Daihong
Huang, Xuequan
Wang, Jian
Article History
Received: 19 December 2016
Accepted: 28 June 2017
First Online: 16 August 2017
Competing Interests
: The authors declare that they have no competing interests.