1. Research Centre for Healthy and Sustainable Living, Faculty of Health Care University of Applied Sciences Utrecht Utrecht The Netherlands
2. Department of General Practice, Division Julius Center for Health Sciences and Primary Care University Medical Center Utrecht Utrecht The Netherlands
3. Education Center, UMC Utrecht Academy University Medical Center Utrecht Utrecht The Netherlands
4. Dutch Healthcare Authority (NZa) Utrecht The Netherlands
5. Department of Economics Tilburg School of Economics and Management Tilburg The Netherlands