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.
Poelman MP, de Vet E, Velema E, de Boer MR, Seidell JC, Steenhuis IH.Poelman MP, et al. Among authors: de boer mr, de vet e.Ann Behav Med. 2015 Feb;49(1):18-28. doi: 10.1007/s12160-014-9637-4.Ann Behav Med. 2015.PMID: 25142041Free PMC article.Clinical Trial.
Vermeer WM, Steenhuis IH, Leeuwis FH, Bos AE, de Boer M, Seidell JC.Vermeer WM, et al.BMC Public Health. 2011 Jun 6;11:438. doi: 10.1186/1471-2458-11-438.BMC Public Health. 2011.PMID: 21645373Free PMC article.
Simons M, Chinapaw MJ, van de Bovenkamp M, de Boer MR, Seidell JC, Brug J, de Vet E.Simons M, et al. Among authors: de boer mr, de vet e.BMC Public Health. 2014 Mar 24;14:275. doi: 10.1186/1471-2458-14-275.BMC Public Health. 2014.PMID: 24661535Free PMC article.Clinical Trial.
Simons M, de Vet E, Chinapaw MJ, de Boer M, Seidell JC, Brug J.Simons M, et al.JMIR Serious Games. 2014 Apr 4;2(1):e4. doi: 10.2196/games.3092.JMIR Serious Games. 2014.PMID: 25654657Free PMC article.