Funding for this research was provided by:
National Natural Science Foundation of China (71673254)
National Key R&D Program of China (2017YFC0909900)
College Science and Technology Innovation Team Support Plan in Henan Province (20IRTSTHN028)
Received: 12 March 2020
Accepted: 12 June 2020
First Online: 18 June 2020
Ethics approval and consent to participate
: This study was approval by the institutional review board of the School of Management Engineering of Zhengzhou University and the National Telemedicine Center of China. About informed consent, the following directives were provided to all solicited participants: “This survey is anonymous and only used for scientific research, you are completely free to refuse to participate in this study. Completing this questionnaire will be considered your consent to participate in this research”. Only those who consented were included in the study.
: Not applicable.
: The authors declare that they have no competing interests.