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.
Feldman AG, Moore S, Bull S, Morris MA, Wilson K, Bell C, Collins MM, Denize KM, Kempe A.Feldman AG, et al.JMIR Form Res. 2022 Jan 13;6(1):e32273. doi: 10.2196/32273.JMIR Form Res. 2022.PMID: 35023840Free PMC article.