Huang, Zhi
Yin, Xiao-chen
Chen, Ming
Li, Mei-ling
Chen, Bo
Hu, Yu-ming
Article History
Received: 24 June 2021
Revised: 29 August 2021
Accepted: 24 September 2021
First Online: 16 October 2021
Declarations
:
: No conflict of interest exists in the submission of this manuscript, and manuscript is approved by all authors for publication.
: All participants signed the informed consent form, and the study procedure was approved by the ethics committee of Hunan Center for Disease Control and Prevention.