Funding for this research was provided by:
National Natural Science Foundation of China (81872666)
Shenzhen Key Medical Discipline Construction Fund (SZXK069)
Sanming Project of Medicine in Shenzhen (SZSM201611090)
Received: 19 September 2020
Accepted: 3 May 2021
First Online: 17 May 2021
Change Date: 11 August 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S12995-021-00315-1
: The study was approved by the ethics committee of Shenzhen Center for Disease Control and Prevention (No. R2018018). All work was conducted in accordance with the Declaration of Helsinki. All the subjects gave their written informed consent.
: Not applicable.
: The authors declared no conflicts of interest.