Li, Xiaoyao
Chen, Keping
Hua, Wei
Su, Yangang
Yang, Jiefu
Liang, Zhaoguang
Xu, Wei
Zhao, Shuang
Li, Zeyi
Zhang, Shu http://orcid.org/0000-0003-1288-6737
Funding for this research was provided by:
Beijing Municipal Science and Technology Commission (Z191100006619120)
Article History
Received: 17 August 2020
Accepted: 3 February 2022
First Online: 16 February 2022
Declarations
:
: The present study was a secondary data analysis of the SUMMIT study which was approved by SUMMIT study investigators and the ethics committee of Fuwai Hospital (the chief institute). All methods were carried out in accordance with relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.