Yang, Xingyi
Zhang, Xiaofang
Zhu, Junyong
Chen, Linli
Liu, Changhui
Feng, Xingling
Chen, Ling
Wang, Huijun
Liu, Chao
Article History
Received: 12 May 2016
Accepted: 16 January 2017
First Online: 17 February 2017
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.