@inproceedings{DiGRA-2011-SturmTDBS,
	author        = "Janienke Sturm and Rob Tieben and Menno Deen and Tilde Bekker and Ben A. M. Schouten",
	booktitle     = "{Proceedings of the Sixth DiGRA International Conference: Think, Design, Play}",
	ee            = "http://www.digra.org/digital-library/publications/playfit-designing-playful-activity-interventions-for-teenagers/",
	publisher     = "{Digital Games Research Association}",
	title         = "{PlayFit: Designing playful activity interventions for teenagers}",
	year          = 2011,
}