1. WHO. Diet, Nutrition and the prevention of Chronic diseases, Report of Joint WHO/FAO Expert Consultation. 2003.
2. Drieskens S. Voedingsstatus. [Health Status]. In Gezondheidsenquête 2013. Rapport 2: Gezondheidsgedrag en leefstijl. [Health survey 2013. Report 2: Health behaviour and life style]. Gisle L, Demarest S (editors). WIV-ISP, Brussel, 2014.
3. A systematic review of randomized controlled trials on the effectiveness of computer-tailored physical activity and dietary behavior promotion programs: an update;K Broekhuizen;Ann Behav Med,2012
4. Reliability and Validity of a Computerized and Dutch Version of the International Physical Activity Questionnaire (IPAQ);C Vandelanotte;Journal of Physical Activity and Health,2005
5. Validity of a questionnaire to assess fruit and vegetable intake in adults;AG Kristjansdottir;European journal of clinical nutrition,2006