Funding for this research was provided by:
National Natural Science Foundation of China (81870335)
Article History
Received: 4 June 2020
Revised: 28 August 2020
Accepted: 17 September 2020
First Online: 4 October 2020
Compliance with ethical standards
:
: The study protocol was approved by the Institutional Review Board of Beijing An Zhen Hospital and was registered in the Chinese Clinical Trial Register (ChiCTR-ROC-17011027).
: The authors declare that they have no competing interests.
: Informed consent was obtained from all individual participants included in the study.