Characteristics of Children with an Undesirable Motor Competence Development During the Transition from Early to Middle Childhood: Results of a 2-Year Longitudinal Study - Koolwijk, Pim, Onderzoeker; Jonge,de, Ester, Onderzoeker; Mombarg, Remo, Onderzoeker; Remmers, Teun, Onderzoeker; Aart,van, Ingrid, Onderzoeker; Savelsbergh, Geert, Onderzoeker; Vries,de, S.I. (Sanne), Lector; Kann,Van, Dave, Lector (International Journal of Environmental Research and Public Health, 2024)