1. Department of Psychiatry, University of Milano
2. Department of Clinical Medicine and Immunologic Sciences, Session of Dermatologic Sciences, Le Scotte Hospital, University of Siena
3. Department of Dermatology, Tor Vergata Hospital, University of Rome
4. Department of Dermatology, Department of Internal Medicine, Immunology and Infectious Diseases, Policlinico Hospital, University of Bari
5. Department of Dermatology, Policlinico Hospital, University of Modena, Italy