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.
Rahemi H, Nigam N, Wakeling JM.Rahemi H, et al.J R Soc Interface. 2015 Aug 6;12(109):20150365. doi: 10.1098/rsif.2015.0365.J R Soc Interface. 2015.PMID: 26156300Free PMC article.