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.
van Loenhout JA, Paget WJ, Sandker GW, Hautvast JL, van der Velden K, Vercoulen JH.van Loenhout JA, et al. Among authors: sandker gw.Health Qual Life Outcomes. 2013 Jul 4;11:112. doi: 10.1186/1477-7525-11-112.Health Qual Life Outcomes. 2013.PMID: 23826639Free PMC article.