Efficacy and utility of a tool for both measurement of vitamin B6, B12, D, folate and iron status and assessment of diet quality in athletes. - Baart, A. Mireille; Slotegraaf, Anne I.; Gobes-de Punder, Inge E.; Mensink, Marco; Wardenaar, Floris; de Vries, Jeanne H. M.; Klein Gunnewiek, Jacqueline M. T.; Balvers, Michiel G. J.; Terink, Rieneke (Journal of Nutritional Science, 2023)