Teun Remmers

66 | Chapter 4 31 Maddison R, Hoorn SV, Jiang Y, Mhurchu CN, Exeter D, Dorey E, et al. The environment and physical activity: the influence of psychosocial, perceived and built environmental factors. International Journal of Behavioral Nutrition and Physical Activity. 2009;6(1):19. 32 Chaix B, Méline J, Duncan S, Merrien C, Karusisi N, Perchoux C, et al. GPS tracking in neighborhood and health studies: a step forward for environmental exposure assessment, a step backward for causal inference? Health & Place. 2013;21:46-51. 33 Spence JC, Lee RE. Toward a comprehensive model of physical activity. Psychology of Sport and Exercise. 2003;4(1):7-24. 34 Bakker I, de Vries S, van den Bogaard C, van Hirtum W, Joore J, Jongert M. Playground van de Toekomst Succesvolle speelplekken voor basisscholieren. Leiden, TNO 2008