1. Department of Dermatology; Zealand University Hospital; Roskilde Denmark
2. Department of Dermatology; University of Modena and Reggio Emilia; Modena Italy
3. Department of Dermatology and Allergology; General Hospital Augsburg; Augsburg Germany
4. Michelson Diagnostics Ltd.; Kent UK
5. CMB/Collegium Medicum Berlin; Berlin Germany