1. Department of Dermatology; San Gallicano Dermatological Institute; Via Chianesi, 53 Rome 00144 Italy
2. Employees' State Insurance Hospital & Post Graduate Institute of Medical Sciences and Research; New Delhi India
3. UOC of Dermatology; University of Rome Tor Vergata; Rome Italy
4. Department of Mental Health; Section of Pathology; Second University of Naples; Naples Italy