1. Dermatology Radboud University Medical Centre Nijmegen the Netherlands
2. Department of Dermatology Canisius Wilhelmina Hospital Nijmegen the Netherlands
3. Department ofHealth Evidence Radboud University Medical Centre Nijmegen the Netherlands
4. Regional Department of the National Association of General Practitioners Nijmegen the Netherlands
5. Department of Primary and Community Care Radboud University Medical Centre Nijmegen the Netherlands