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.
Neal-McKinney JM, Liu KC, Lock CM, Wu WH, Hu J.Neal-McKinney JM, et al.Sci Rep. 2021 Mar 11;11(1):5676. doi: 10.1038/s41598-021-84956-6.Sci Rep. 2021.PMID: 33707610Free PMC article.