Hu, Xiaojuan
Zhao, Fen
Yu, Hongmei
Luo, Yanhong
Liu, Jinchun
Zhang, Yanbo
Funding for this research was provided by:
National Natural Science Foundation of China (81273180)
Shanxi Provincial Key Research and Development Project (201603D321101)
Article History
Received: 30 August 2019
Accepted: 6 January 2020
First Online: 16 January 2020
Ethics approval and consent to participate
: The research protocol (No.2013099) and questionnaire received approval from the Ethics Committee of Shanxi Medical University. We received written informed consent from all participants.
: Not Applicable.
: Xiaojuan Hu, Fen Zhao, Hongmei Yu, Yanhong Luo, Jinchun Liu, and Yanbo Zhang declare that they have no conflict of interest.