1. Dermatology Department Hospital Clínic & Melanoma Group IDIBAPS (Institut d’Investigacions Biomèdiques August Pi i Sunyer) Barcelona Spain
2. Medical Sciences Department Section of Dermatology University of Turin Turin Italy
3. Dermatology Department University of Modena and Reggio Emilia Modena Italy
4. Department of Pathology Hospital Clínic de Barcelona Barcelona Spain
5. Department of Dermatology, Hospital del Mar Institut Hospital del Mar d’Investigacions Mèdiques Universitat Autònoma de Barcelona Barcelona Spain
6. Universitat de Barcelona Barcelona Spain
7. Centro Investigación Biomédica en Red de Enfermedades Raras (CIBERER) Instituto de Salud Carlos III (ISCIII) Barcelona Spain