1. Dinny H. de Bakker( ) is a senior researcher at the Netherlands Institute for Health Services Research, in Utrecht.
2. Jeroen N. Struijs is a senior researcher at the Netherlands National Institute for Public Health and the Environment, in Bilthoven.
3. Caroline A. Baan is a senior researcher at the Netherlands National Institute for Public Health and the Environment.
4. Joop Raams is a general practitioner at the Health Centre Kattenbroek, in Amersfoort, the Netherlands.
5. Jan-Erik de Wildt is a business management director at De Ondernemende Huisarts, a primary care company, in Tilburg, the Netherlands.
6. Hubertus J.M. Vrijhoef is a professor in the Department of Chronic Care at Tilburg University, in the Netherlands.
7. Frederik T. Schut is a professor at the Institute of Health Policy and Management at Erasmus University Rotterdam, in the Netherlands.