1. Dermatology Section, Department of Medical, Surgical and Neurological Science University of Siena Siena Italy
2. Department of Medical Biotechnology University of Siena Siena Italy
3. Department of Dermatology University of Pisa Pisa Italy
4. Unit of Dermatology, Department of Surgery and Translational Medicine University of Florence Florence Italy
5. Unit of Dermatology San Donato Hospital Arezzo Italy
6. Unit of Dermatology Hospital of Campo di Marte Lucca Italy
7. Department of Dermatology San Jacopo Hospital Pistoia Italy
8. Unit of Dermatology Versilia Hospital Lido di Camaiore, Lucca Italy
9. Unit of Dermatology San Giuseppe Hospital, Empoli Florence Italy