Li, Jinlian
Ye, Pei
Peng, Xiangyan
Xiang, Guangda
Article History
Received: 28 April 2024
Accepted: 13 June 2024
First Online: 22 June 2024
Declarations
:
: The NHANES has been approved by the National Center for Health Statistics Ethics Review Board, the CHARLS protocol was approved by the Biomedical Ethical Review Committee of Peking University (IRB00001052-11015). All participants were provided informed written consent at enrollment and two protocols were conducted following the principles of the Declaration of Helsinki.
: All the authors gave their consent to publication.
: The authors declare no competing interests.
: <sup>1</sup>The First School of Clinical Medicine, Southern Medical University, Guangzhou, 510515 Guangdong China.<sup>2</sup>Department of Endocrinology, General Hospital of Central Theater Command, Wuhan, 430070 Hubei China. <sup>3</sup>Shantou University Medical College, Shantou, Guangdong Province, China;