Funding for this research was provided by:
National Natural Science Foundation of China (81500114 and 81970097, 81600080)
Received: 20 March 2020
Accepted: 16 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The study ethics approval was granted from the local ethical committee of First Affiliated Hospital, School of Medicine, Zhejiang University, and the study was performed in accordance with the principles of the Declaration of Helsinki. Written informed consent was obtained from all donors.
: Not applicable.
: The authors declare that no competing financial interests exist.