1. Department of Dermatology Radboud University Medical Center Nijmegen the Netherlands
2. Department for Health Evidence Radboud University Medical Center Nijmegen the Netherlands
3. Department of Dermatology Hospital Group Twente (ZGT) Almelo/Hengelo the Netherlands
4. Department of Dermatology St. Anna Hospital, Ziekenhuis Geldrop the Netherlands
5. Department of Dermatology Gelre Hospital Apeldoorn the Netherlands
6. Department of Dermatology Gelderse Vallei Hospital (ZGV) Ede the Netherlands
7. Department of Dermatology Slingeland Hospital Doetinchem the Netherlands
8. Department of Dermatology Máxima Medical Center (MMC) Eindhoven/Veldhoven the Netherlands
9. Department of Dermatology Jeroen Bosch Hospital (JBZ) ’s‐Hertogenbosch the Netherlands