Liu, Jing
Wang, Zheng
He, Guanglin
Wang, Mengge
Hou, Yiping
Article History
Received: 5 February 2018
Accepted: 29 January 2019
First Online: 4 March 2019
Change Date: 27 May 2020
Change Type: Clarification
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 interests.