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Publication database KNMI

The publication database contains the (co-)authored publications in scientific journals, KNMI reports and other publications

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  1. UVdose: an R package for estimating ambient vitamin D?effective UVB and erythemal UV doses

    Ultraviolet (UV) radiation plays a critical role in both beneficial and harmful health outcomes, ...

    Shraim, R., van Geffen, J. and Zgaga, L. | Photochem Photobiol. Sci. | 2026 | 26
  2. Genome-wide association study of vitamin D status in diverse ancestry individuals with adjustment for ambient ultraviolet B (UVB) radiation

    Background & aim 25-hydroxyvitamin D (25OHD) level, the vitamin D status biomarker, is influ...

    Shraim, R., van Geffen, J., McManus, R. and Zgaga, L. | Clinical Nutrition | 2026 | 64
  3. Genome-wide gene-environment interaction study uncovers 162 vitamin D status variants using a precise ambient UVB measure

    Vitamin D status is influenced by genetic and environmental factors-primarily sun exposure. Using...

    Shraim, R., Timofeeva, M., Wyse, C., van Geffen, J., van Weele, M., Romero-Ortuno, R. Lopez, L.M., Kleber, M.E., Pilz, S., März, W., Fletcher, B.S., Wilson, J.F., Theodoratou, E., Dunlop, M.G., McManus, R. and Zgaga, L. | Nature Communications | 2025 | 16
  4. Prevalence and determinants of profound vitamin D deficiency (25-hydroxyvitamin D <10 nmol/L) in the UK Biobank and potential implications for disease association studies

    Background 25-hydroxyvitamin D (25OHD) is the principal biomarker of vitamin D status. Values be...

    Shraim, R., Brennan, M.M., van Geffen, J. and Zgaga, L. | Journal of Steroid Biochemistry and Molecular Biology | 2025 | 250
  5. Ambient ultraviolet-B radiation, supplements and other factors interact to impact vitamin D status differently depending on ethnicity: a cross-sectional study

    Background &amp; aims Many determinants of vitamin D status have been well-described, yet supple...

    Brennan, M.M., van Geffen, J., van Weele, M., Zgaga, L. and Shraim | Clinical Nutrition | 2024 | 43
  6. Comprehensive Analysis of Seasonal and Geographical Variation in UVB Radiation Relevant for Vitamin D Production in Europe

    Dermal synthesis, following sun exposure, is the main source of vitamin D. This study characteriz...

    Khanna T, Shraim R, Zarkovic M, van Weele M, van Geffen J, Zgaga L. | Nutrients | 2022 | 14