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.
Hargreaves EA, Mutrie N, Fleming JD.Hargreaves EA, et al. Among authors: fleming jd.JMIR Res Protoc. 2016 Jan 25;5(1):e14. doi: 10.2196/resprot.4288.JMIR Res Protoc. 2016.PMID: 26810251Free PMC article.