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.
Tabak M, Vollenbroek-Hutten MM, van der Valk PD, van der Palen J, Tönis TM, Hermens HJ.Tabak M, et al. Among authors: tonis tm.Int J Telemed Appl. 2012;2012:438736. doi: 10.1155/2012/438736. Epub 2012 Nov 25.Int J Telemed Appl. 2012.PMID: 23227041Free PMC article.