Bian, Yingnan
Zhang, Suhua
Zhou, Wei
Zhao, Qi
Siqintuya,
Zhu, Ruxin
Wang, Zheng
Gao, Yuzhen
Hong, Jie
Lu, Daru
Li, Chengtao
Article History
Received: 14 October 2015
Accepted: 22 December 2015
First Online: 4 February 2016
Change Date: 27 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.