1. 2nd Department of Dermatology and Venereology, ATTIKON University Hospital, Athens, Greece
2. Department of Dermatology, University General Hospital Larissa, University of Thessaly, Larissa, Greece
3. Department of Dermatology, Medical School, General University Hospital, University of Patras, Greece
4. 2nd Department of Dermatology-Venereology, Aristotle University School of Medicine, Thessaloniki, Greece
5. LEO Pharma Hellas, Dermatology, Athens, Greece