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Authors
Zhong, Shaoling
Guo, Huijuan
Wang, Yuanyuan
Cook, Stephanie
Chen, Yanan
Luo, Chenyuli
Peng, Ke
Wang, Fanglan
Liang, Xiaoxi
Chen, Hui
Li, Qiguang
Zhou, Jiansong
Wang, Xiaoping
Chen, Runsen http://orcid.org/0000-0002-2145-8630
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Funding
Funding for this research was provided by:
National Natural Science Foundation of China (81571341)
National Key Research and Development Program of China (2016YFC800701)
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Article History
Received: 20 May 2019
Accepted: 25 August 2019
First Online: 2 September 2019
Ethics approval and consent to participate
: This study was approved by the Human Ethics Committee of the Second Xiangya Hospital of Central South University<b>.</b> All participants were informed of the objective of the study and gave written consent before the investigation.
: Not applicable
: Runsen Chen is an associate editor of BMC Health Services Research. All other authors are no conflict of interest exists in carrying out this study and preparing the manuscript.
