1. Ng JYY, Ntoumanis N, Thøgersen-Ntoumani C, Deci EL, Ryan RM, Duda JL, Williams GC. Self-determination theory applied to health contexts: a meta-analysis. Perspect Psychol Sci. 2012;7(4):325–40.
2. Reijneveld M, de Winter A, Koot J. IROHLA project 305831 – 2 FP7 Negotiation Final Version 4 September 2012. Netherlands: UMCG; 2012.
3. HLS-EU. Comparative report on health literacy in eight EU member states. 2012;Section 9.3. Available from: http://www.maastrichtuniversity.nl/web/file?uuid=d101b63c-dbbe-472d-971f-7a4eae14ba47&owner=d5b3681e-fc4a-476e-b9ff-a807c26760b9
4. Boekaerts M, Pintrich PR, Zeidner M. Handbook of Self-Regulation. San Diego: Academic Press; 2000.
5. Huber M, Knottnerus JA, Green L, van der Horst H, Jadad AR, Kromhout D, et al. How should we define health? Analysis. BMJ. 2011;343:d4163.