1. 1st Department of Dermatology and Venereology, School of Health Sciences National and Kapodistrian University of Athens Athens Greece
2. Department of Dermatology University Hospital Basel Basel Switzerland
3. Division of Psychodermatology, Department of Psychiatry Central Michigan University College of Medicine Saginaw Michigan USA
4. Department of Dermatology and Venereology University of Studies Guglielmo Marconi Rome Italy