1. Research Centre Innovations in Care Rotterdam University of Applied Sciences Rotterdam The Netherlands
2. Department of Public and Occupational Health Amsterdam Public Health Research InstituteAmsterdam UMCVrije Universiteit Amsterdam Amsterdam The Netherlands
3. Department of General Practice Erasmus University Medical Centre Rotterdam The Netherlands
4. Behavioural Science Institute Radboud University Nijmegen Nijmegen The Netherlands
5. NIVEL Netherlands Institute for Health Services Research Utrecht The Netherlands
6. Department of Health Sciences, Community and Occupational Medicine University of GroningenUniversity Medical Center Groningen Groningen The Netherlands