Published on in Vol 15, No 2 (2013): February
1 Maastricht University/CAPHRI, Department of Health Promotion, Maastricht University, Maastricht, The Netherlands
2 Open University of the Netherlands, Department of Psychology, Open University of the Netherlands, Heerlen, The Netherlands
3 Maastricht University/CAPHRI, Department of General Practice, Maastricht, The Netherlands
4 Maastricht University/CAPHRI, Department of Health Promotion, Maastricht University, The Netherlands, The Netherlands