1. Cohort profile of the GOALS study: A large‐scale research of physical activity in Dutch students. (29th April 2015) Authors: de Groot, Renate H.M.; van Dijk, Martin L.; Kirschner, Paul A. Journal: British journal of educational technology Issue: Volume 46:Number 5(2015) Page Start: 947 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗