1. Department of Health Sciences, Section of Dermatology, University of Florence, 50125 Florence, Italy
2. Dermatologic Unit, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy
3. Section of Dermatology, Dipartimento di Scienze della Salute, University of Genoa, Ospedale-Policlinico San Martino, IRCCS, Largo R. Benzi, 10, 16132 Genova, Italy
4. Department of Health Sciences, University of Milan, 20146 Milan, Italy
5. Unit of Clinical Psychology, ASST Santi Paolo and Carlo Hospitals, 20142 Milan, Italy
6. Dermatology Unit, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Policlinico S. Orsola Malpighi, 40126 Bologna, Italy
7. Department of Biomedical Sciences, Humanitas University, 20089 Milan, Italy
8. Dermatology Unit, Humanitas Research Hospital—IRCCS, 20089 Milan, Italy
9. Dermatologic Clinic, DISSAL, San Martino Hospital, 16132 Genova, Italy
10. Dermatology Unit, Department of Medical, Surgical and Neurological Sciences, University of Siena, 53100 Siena, Italy
11. Unit of Dermatology, University of Pisa, 56126 Pisa, Italy
12. UOC Dermatology, IRCCS INRCA, 60124 Ancona, Italy
13. Dermatology Complex Operative Unit, Papardo Hospital, 98158 Messina, Italy
14. Section of Dermatology, Department of Clinical, Medicine and Surgery, University of Naples Federico II, 80138 Naples, Italy
15. Unit of Dermatology, San Antonio Abate Hospital, 80057 Trapani, Italy
16. Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy
17. Dermatology Unit, Ospedale San Salvatore, 67100 L’Aquila, Italy