Dutch school policies for less sitting and more physical activity in primary schools
Nauta, Joske (Urban Vitality); Schweitzer, Mandy (Urban Vitality); Kat, Ilse (Urban Vitality); Moll, Kirsten (Lectoraat Bewegen In En Om School); Koenders, Kick (Urban Vitality); Janssen, Mirka (Lectoraat Bewegen In En Om School)