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.
Kline KA, Schwartz DJ, Gilbert NM, Lewis AL.Kline KA, et al. Among authors: gilbert nm.PLoS One. 2014 May 16;9(5):e97798. doi: 10.1371/journal.pone.0097798. eCollection 2014.PLoS One. 2014.PMID: 24835885Free PMC article.