Funding for this research was provided by:
National Natural Science Foundation of China (71573095)
Received: 6 August 2019
Accepted: 17 July 2020
First Online: 28 July 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Institutional Ethics Committee, Huazhong University of Science and Technology, Wuhan, China, and the ethical approval number was IORG0003571. This study obtained a written informed consent from all participants prior to the start of the survey.
: Not applicable.
: No potential conflict of interest was reported by the authors.