1. Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin; Humboldt-Universität zu Berlin, and Berlin Institute of Health; Department of Dermatology, Venereology und Allergy; Division of Evidence-Based Medicine (dEBM)
2. Hauttumorzentrum; Hautklinik; Klinikum Ludwigshafen