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.
Orji R, Vassileva J, Mandryk R.Orji R, et al. Among authors: mandryk r.Online J Public Health Inform. 2012;4(3):ojphi.v4i3.4321. doi: 10.5210/ojphi.v4i3.4321. Epub 2012 Dec 19.Online J Public Health Inform. 2012.PMID: 23569653Free PMC article.
Mandryk RL, Birk MV.Mandryk RL, et al.J Med Internet Res. 2017 Apr 20;19(4):e128. doi: 10.2196/jmir.6906.J Med Internet Res. 2017.PMID: 28428161Free PMC article.
Birk MV, Mandryk RL.Birk MV, et al.J Med Internet Res. 2019 Jan 8;21(1):e10133. doi: 10.2196/10133.J Med Internet Res. 2019.PMID: 30622095Free PMC article.