Funding for this research was provided by:
National Major Science and Technology Projects of China (2018ZX10715-005)
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (ZYLX201807)
Article History
Received: 30 November 2020
Accepted: 26 March 2021
First Online: 8 April 2021
Declarations
:
: All participants were informed of the purpose and procedure of the study prior to the survey. All participants completed the online informed consent before completing the survey. The Beijing Ditan Hospital Ethics Committee has approved this investigation (No: 2020–011-01).
: Not applicable. All participants participated in the survey anonymously.
: The authors declare that they have no competing interests.