Xiong, Jun
Niu, Yi
Liu, Wei
Zeng, Fan
Cheng, Jian-Fei
Chen, Shi-Qiang
Zeng, Xiang-Zhou http://orcid.org/0000-0002-3371-9674
Article History
Received: 21 March 2021
Accepted: 16 July 2021
First Online: 10 August 2021
Declarations
:
: This study was approved by the ethics committee of the Hainan Affiliated Hospital of Hainan Medical University. Prior to the questionnaire and blood collection, all subjects signed the informed consent.
: All subjects were Han people who lived in and around Haikou, Hainan Province, China.
: All authors have read and approved the manuscript.
: The authors declare no competing interests.