Received: 10 December 2020
Accepted: 25 March 2021
First Online: 26 April 2021
: The study was approved by the Ethics Committee of the Tongji Medical College Institutional Review Board, Huazhong University of Science and Technology, Wuhan, China. Informed consent was obtained from all survey participants. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: We declare that we have no conflict of interests.