1. Department of Family Medicine, Care and Public Health Research Institute (CAPHRI), Maastricht University, Maastricht, The Netherlands;
2. Dutch College of General Practitioners, Utrecht, The Netherlands;
3. General Practice, Ilpendam, The Netherlands;
4. General Practice, Rotterdam, The Netherlands;
5. Knowledge Institute of Medical Specialists, Utrecht, The Netherlands;
6. General Practice, Amersfoort/Nijmegen, and Department of General Practice, Academic Medical Centre, Amsterdam, The Netherlands;
7. Netherlands Patient Federation, Utrecht, The Netherlands;
8. Diabetology in Primary Care, Julius Centre, University Medical Centre, Utrecht, The Netherlands;
9. Department of General Practice & Elderly Care Medicine, VU University Medical Centre, Amsterdam, The Netherlands