1. Moderate-to-Vigorous Physical Activity From Ages 9 to 15 Years
2. CurrieCZanottiCMorganACurrieDde LoozeMRobertsCSamdalOSmithORFBarnekowVSocial determinants of health and well-being among young people. Health Behaviour in School-Aged Children (HBSC) Study: International Report from the 2009/2010 Survey2010http://www.euro.who.int/__data/assets/pdf_file/0003/163857/Social-determinants-of-health-and-well-being-among-young-people.pdf?ua=1
3. BarnekowVCurrieCLetschCde LoozeMMorganAA snapshot of the health of young people in Europe. A Report Prepared for the European Commission Conference on Youth Health, Brussels, Belgium, 9–10 July 20092009DenmarkWorld Health Organization Europehttp://www.euro.who.int/__data/assets/pdf_file/0013/70114/E93036.pdf
4. Behavior Change Techniques in Top-Ranked Mobile Apps for Physical Activity
5. YoungworksFactsheet 20132016-03-03http://youngworks.nl/wp-content/uploads/2013/05/FactsheetMediagebruik.pdf