Funding for this research was provided by:
National Science and Technology Major Project of the Ministry of Science and Technology of China (2018ZX10306412-004)
Received: 7 March 2019
Accepted: 29 April 2019
First Online: 11 June 2019
Ethics approval and consent to participate
: The ethics committee of National Center for Clinical Laboratories has approved the study. The methods in the study were in accordance with the guidelines of the Declaration of Helsinki. Written informed consent at the time of blood donation was obtained from all blood donors participating in this research.
: Not applicable.
: The authors declare that they have no competing interests.
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