Funding for this research was provided by:
National Natural Science Foundation of China (No·71874060)
Received: 31 January 2021
Accepted: 17 May 2021
First Online: 5 June 2021
: This study was approved by the Medical Ethics Committee of Tongji Medical College, Huazhong University of Science and Technology. All respondents were aware of the purpose of this study and consented to participate in the survey.
: Not applicable.
: The authors declare that they have no competing interests.