Wang, Zheng
Zhou, Di
Jia, Zhenjun
Li, Luyao
Wu, Wei
Li, Chengtao
Hou, Yiping
Article History
Received: 11 February 2016
Accepted: 14 July 2016
First Online: 8 August 2016
Change Date: 28 May 2020
Change Type: Correction
Change Details: Editor's Note: Concerns have been raised about the ethics approval and informed consent procedures related to the research reported in this paper. Editorial action will be taken as appropriate once an investigation of the concerns is complete and all parties have been given an opportunity to respond in full.
Competing interests
: The authors declare no competing financial interests.