1. Department of Dermatology; Roskilde Hospital; University of Copenhagen; Roskilde Denmark
2. Department of Dermatology; University of Modena and Reggio Emilia; Modena Italy
3. Department of Engineering “Enzo Ferrari”; University of Modena and Reggio Emilia; Modena Italy
4. CMB/Collegium Medicum Berlin; Berlin Germany
5. Department of Dermatology and Allergology; General Hospital Augsburg; Augsburg Germany