1. Department of Dermatology University Hospital Münster Münster Germany
2. IUF – Leibniz Research Institute for Environmental Medicine Düsseldorf Germany
3. Department of Dermatology Fachklinik Bad Bentheim Bad Bentheim Germany
4. Dermatology and Allergology Clinic University of Frankfurt Frankfurt Germany
5. Institute and Comprehensive Center Inflammation Medicine University of Lübeck Lübeck Germany
6. Clinic for Dermatology, Venereology, and Allergology University Hospital of Frankfurt Frankfurt am Main Germany
7. La Roche‐Posay Laboratoire Dermatologique Levallois‐Perret France