He, Siyao
Wang, Jinping
Shen, Xiaoxia
Qian, Xin http://orcid.org/0000-0003-2961-3380
An, Yali
Gong, Qiuhong
Zhang, Bo
Chen, Bo
Zhang, Lihong
Chen, Xiaoping
Chen, Yanyan
Li, Guangwei http://orcid.org/0000-0003-1061-7293
Article History
Received: 8 June 2021
Revised: 29 January 2022
Accepted: 10 February 2022
First Online: 7 March 2022
Ethics approval and consent to participate
: Written informed consent was provided by study participants or proxies for those were deceased. Institutional review boards at the Chinese Center for Disease Control and Prevention and Fuwai Hospital approved the trial and follow-up studies. The study was performed in accordance with the Declaration of Helsinki.
: This manuscript does not contain individual persons’ data.
: The authors declare no competing interests.