Funding for this research was provided by:
Beijing Municipal Science and technology commission (Z201100005420012)
Beijing Hospital Authority (ZYLX201802)
Received: 27 September 2020
Accepted: 18 August 2021
First Online: 30 August 2021
: This clinical study was conducted in compliance with the ethical principles of the Declaration of Helsinki and its later amendments. The Ethics Committee of Beijing Ditan Hospital approved our study protocol [Approval no. 2020(014)-01]. The data used in this study was anonymised before its use.
: Not applicable.
: The authors declare that they have no competing interests.