Wang, Xiao-Xiao
Chen, Zhao-Bin
Chen, Xu-Jia
Huang, Ling-Ling
Song, Xiao-Yue
Wu, Xiao
Fu, Li-Ying
Wang, Pei-Xi http://orcid.org/0000-0001-5177-1479
Funding for this research was provided by:
Science and Technology Program of Guangzhou (201607010136)
Medical Scientific Research Foundation of Guangdong Province (C2015032)
Article History
Received: 11 September 2017
Accepted: 7 February 2018
First Online: 13 February 2018
Ethics approval and consent to participate
: Ethical approval for this survey was obtained from the Research Ethics Committee of Guangzhou Medical University. Written informed consent was obtained from all study participants prior to study entry.
: Not applicable
: The authors declare that there is no conflict of interest associated with this publication.
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