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.
Helms YB, Hamdiui N, Kretzschmar MEE, Rocha LEC, van Steenbergen JE, Bengtsson L, Thorson A, Timen A, Stein ML.Helms YB, et al.J Med Internet Res. 2021 Jan 15;23(1):e17564. doi: 10.2196/17564.J Med Internet Res. 2021.PMID: 33448935Free PMC article.Review.
Helms YB, Stein ML, Hamdiui N, van der Meer A, Baron R, Eilers R, Crutzen R, Kretzschmar MEE, Timen A.Helms YB, et al.BMC Health Serv Res. 2022 Nov 19;22(1):1378. doi: 10.1186/s12913-022-08764-y.BMC Health Serv Res. 2022.PMID: 36403008Free PMC article.
van der Meer A, Helms YB, Baron R, Crutzen R, Timen A, Kretzschmar MEE, Stein ML, Hamdiui N.van der Meer A, et al. Among authors: helms yb.BMC Public Health. 2023 Sep 16;23(1):1804. doi: 10.1186/s12889-023-16664-x.BMC Public Health. 2023.PMID: 37716982Free PMC article.
Helms YB, Stein ML, Hamdiui N, van der Meer A, Ferreira JA, Crutzen R, Timen A, Kretzschmar MEE.Helms YB, et al.PLOS Digit Health. 2024 Feb 14;3(2):e0000425. doi: 10.1371/journal.pdig.0000425. eCollection 2024 Feb.PLOS Digit Health. 2024.PMID: 38354119Free PMC article.
Helms YB, van der Meer A, Crutzen R, Ferreira JA, Kretzschmar MEE, Timen A, Hamdiui N, Stein ML.Helms YB, et al.JMIR Public Health Surveill. 2024 Oct 30;10:e56943. doi: 10.2196/56943.JMIR Public Health Surveill. 2024.PMID: 39476390Free PMC article.