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.
Nielen MM, Heslenfeld DJ, Heinen K, Van Strien JW, Witter MP, Jonker C, Veltman DJ.Nielen MM, et al. Among authors: heslenfeld dj.Brain Cogn. 2009 Dec;71(3):387-96. doi: 10.1016/j.bandc.2009.05.007. Epub 2009 Aug 8.Brain Cogn. 2009.PMID: 19665830
de Wit SJ, de Vries FE, van der Werf YD, Cath DC, Heslenfeld DJ, Veltman EM, van Balkom AJ, Veltman DJ, van den Heuvel OA.de Wit SJ, et al. Among authors: heslenfeld dj.Am J Psychiatry. 2012 Oct;169(10):1100-8. doi: 10.1176/appi.ajp.2012.12010073.Am J Psychiatry. 2012.PMID: 23032388