Funding for this research was provided by:
Universitätsklinikum Freiburg
Article History
Received: 8 October 2024
Accepted: 5 February 2025
First Online: 8 March 2025
Declarations
:
: The present study is negligible risk research that involves existing collections of non-identifiable data about human beings. It is a de-identified secondary analysis of freely available data. Research was performed in accordance with the Declaration of Helsinki and approved by the NCHS Research Ethics Review Board (). NHANES was approved by the National Centre for Health Statistics research ethics review board and informed consent was obtained for all participants.
: Not applicable.
: The authors declare no competing interests.