1. US Department of Health and Human Services. Physical activity guidelines advisory committee report. 2008.
http://www.health.gov/paguidelines/guidelines/default.aspx#toc
. Accessed 12 Aug 2015.
2. World Health Organisation. Global Recommendations on Physical Activity for Health. Geneva: World Health Organisation; 2010.
3. Canadian Society for Exercise Physiology. Canadian Physical Activity Guidelines and Canadian Sedentary Behaviour Guidelines. 2011.
http://www.csep.ca/en/guidelines/read-the-guidelines
. Accessed 10 Feb 2016
4. Department of Health, Physical Activity, Health Improvement and Protection. Start Active, Stay Active: A report on physical activity from the four home countries' Chief Medical Officers. London: Department of Health, Physical Activity, Health Improvement and Protection; 2011.
5. VIGeZ, Van Acker R, De Meester F. Langdurig zitten: dé uitdaging van de 21ste eeuw. Syntheserapport als actuele onderbouw voor de factsheet sedentair gedrag. Brussel: Vlaams Instituut voor Gezondheidspromotie en Ziektepreventie; 2015.