Funding for this research was provided by:
Natural Science Foundation of Guangdong Province (2019A1515010891)
Article History
Received: 8 March 2021
Accepted: 13 June 2021
First Online: 3 July 2021
Declarations
:
: All participants gave their informed written consent after receiving detailed explanations of the study. This study was performed with the approval of the Human Ethical Committee of Shantou University Medical College.
: Not applicable.
: The authors declare that they have no competing interests.