1. Department of Dermatology and Venereology Koç University School of Medicine Istanbul Turkey
2. School of Medicine Koç University Istanbul Turkey
3. Department of Medical Pharmacology Istanbul Cerrahpasa University Istanbul Turkey
4. Department of Dermatology Zealand University Hospital Roskilde Denmark
5. Department of Clinical Medicine, Faculty of Health and Medical Sciences University of Copenhagen Copenhagen Denmark
6. Section for Biostatistics and Evidence‐Based Research The Parker Institute, Bispebjerg and Frederiksberg Hospital Copenhagen Denmark
7. Research Unit of Rheumatology, Department of Clinical Research University of Southern Denmark, Odense University Hospital Odense Denmark