1. Department of Medical Sciences, Section of Dermatology University of Turin Torino Italy
2. Section of Dermatology Koelliker Hospital Turin Italy
3. Outpatient Clinic, Section of Dermatology ASL VC Vercelli Italy
4. Outpatient Clinic, Section of Dermatology ASL AL Alessandria Italy
5. Outpatient Clinic, Section of Dermatology ASLTO4 Ivrea Italy
6. Surgery Department, Section of Dermatology Cardinal Massaia Hospital ASL AT Asti Italy
7. Oncology Department, Section of Dermatology Degli Infermi Hospital, ASL BI Biella Italy
8. Section of Dermatology AO AL Santi Antonio e Biagio e Cesare Arrigo Alessandria Italy
9. Dermatologic Clinic AOU Maggiore della Carità Hospital Novara Italy