1. Division of Evidence‐Based Medicine Department of Dermatology Venereology and Allergy Charité—Universitätsmedizin Berlin Berlin Germany
2. Department of Dermatology Medical University of Vienna Vienna Austria
3. Eli Lilly and Company Indianapolis Indiana USA
4. Institute for Health Services Research in Dermatology and Nursing (IVDP) University Medical Center Hamburg‐Eppendorf (UKE) Hamburg Germany