Wang, Xiaohua
Huang, Ke
Yan, Hao
Lan, Fei
Yao, Dongxu
Li, Yanhong
Xue, Jixiu
Wang, Tianlong
Funding for this research was provided by:
The NationalNatural Science Foundation of China (81401084)
Beijing Municipal commission of Health and Family Planning (PXM2017_026283_000002)
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (XMLX201829; No. 303-01-005-0162, ZYLX201813; No. 303-01-005-0159)
Article History
Received: 7 September 2019
Accepted: 9 March 2020
First Online: 19 March 2020
Ethics approval and consent to participate
: This prospective observational study was approved by the local ethics committee (Capital Medical University Institutional Review Board, China, December 8, 2017; IRB no.: 2017-D136). Written informed consent was obtained from all patients participating in the trial. The trial was registered with ExternalRef removed (NCT-03668262; date of registration, September 11, 2018). Our methodology followed the international guidelines for observational studies.
: Not applicable.
: The authors declare that they have no competing interests.