1. Unit of Dermatology Università Cattolica del Sacro Cuore Rome Italy
2. Department of Clinical and Experimental Science University of Brescia Brescia Italy
3. Department of Clinical Science and Community Health University of Milan Milan Italy
4. Unit of Dermatology University of Verona Verona Italy
5. Unit of Dermatology AO Papardo Messina Italy
6. Dermatology Clinic AO San Martino University of Genoa Genoa Italy
7. Division of Dermatology Department of Medicine University of Padua Padua Italy
8. Division of Dermatology University of Florence Florence Italy
9. Unit of Dermatology University of Modena and Reggio Emilia Modena Italy