Received: 31 October 2020
Accepted: 22 September 2021
First Online: 9 October 2021
: Beijing Friendship Hospital Research Ethics Committee has approved this research. IRB approval number is 2020-P2-066-01. And all patients signed a consent form giving permission to use their anonymous data for research.
: Not applicable.
: The authors have no competing interest. The authors are responsible for the content of the paper.