Funding for this research was provided by:
National Key Research and Development Program (2017YFC1309200)
Received: 25 May 2021
Accepted: 7 October 2021
First Online: 18 October 2021
: All methods were performed in accordance with the Declaration of Helsinki. This study was approved by the ethics committee of Kailuan General Hospital and Beijing Shijitan Hospital. Informed consent forms were signed by the participants or their legal representatives. The Kailuan General Hospital’s ethics committee granted the administrative permission to access the database used in our manuscript.
: Not Applicable.
: The authors declare that they have no competing interests.