An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
de Lacy-Vawdon C, Livingstone C.de Lacy-Vawdon C, et al. Among authors: livingstone c.BMC Public Health. 2020 Jun 29;20(1):1022. doi: 10.1186/s12889-020-09126-1.BMC Public Health. 2020.PMID: 32600398Free PMC article.