Xu, Fengbo
Wang, Guoqin
Ye, Nan
Bian, Weijing
Yang, Lijiao
Ma, Changsheng
Zhao, Dong
Liu, Jing
Hao, Yongchen
Liu, Jun
Yang, Na
Cheng, Hong
Funding for this research was provided by:
Independent innovation of capital health development research project (2018-2-1051)
Article History
Received: 7 May 2021
Accepted: 3 January 2022
First Online: 13 January 2022
Declarations
:
: Institutional review board approval was granted for the aggregate data set for research and quality improvement by the Ethics Committee of Beijing Anzhen Hospital, Capital Medical University. As this was a large population-based study, approval from the Ethics Committee of Beijing Anzhen Hospital, Capital Medical University, included a waiver of informed consent.
: Not applicable.
: The authors declare that they have no competing interests in relation to this work.