Promotie Dhr. Teun Remmers, MSc. 6 december 2017 16:00 Promotor: prof.dr. S.P.J. Kremers Co-promotores: dr. C.T.M.C.N. Thijs, dr. S.I. de Vries, dr.ir. D. Ettema “Unravelling Environmental Influences on Children’s Physical Activity”