1. 2nd Department of Dermatology and Venereology, “Attikon” General University Hospital, Medical School, National and Kapodistrian University of Athens, 12462 Athens, Greece
2. 1st Department of Dermatology and Venereology, “Andreas Sygros” Hospital, Medical School, National and Kapodistrian University of Athens, 16121 Athens, Greece
3. Dermatology Department, General Hospital of Athens, Evangelismos, 11635 Athens, Greece
4. First Dermatology Department, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
5. Second Dermatology Department, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
6. Department of Dermatology, University General Hospital of Heraklion, 71500 Heraklion, Greece
7. Private Practice, 54643 Thessaloniki, Greece
8. Private Practice, 14121 Athens, Greece