Vitamin D status in school children in Northern Ireland

D.U. Glatt, M.M. Slevin, L. Beggan, L.K. Pourshahidi, E. McSorley, R. Revuelta Iniesta, J. McCluskey, N. Gleeson, D.F. Cobice, S. Dobbin and P.J. Magee Nutrition Innovation Centre for Food and Health (NICHE), Ulster University, Coleraine, UK, Department of Dietetics and Nutrition, Queen Margaret University, Edinburgh, UK, Mass Spectrometry Centre, Biomedical Sciences Research Institute (BMSRI), Ulster University, Coleraine, UK and Department of Sports and Health Sciences, University of Exeter, Exeter, UK