Funding for this research was provided by:
the Capital Clinical Characteristic Applied Research Project of China (No. Z181100001718109)
Young Scholar Research Grant of Chinese Anesthesiologist Association (NO. 21900007)
Hospital Medical Research Foundation of Peking University Third Hospital (No. Y86471-01)
Received: 2 August 2020
Accepted: 3 April 2021
First Online: 12 April 2021
: The study was approved by the ethics committee of Peking University Third Hospital, and the reference number was IRB00006761-2015021, and we have obtained the informed consent which was written of all participants in the study.
: Not Applicable.
: The authors declare there are no conflicts of interest regarding the publication of this paper.