1. 1st Department of Dermatology‐Venereology Faculty of Medicine National and Kapodistrian University of Athens“A. Sygros” Hospital for Venereal and Skin Diseases Athens Greece
2. 2nd Department of Dermatology Faculty of Medicine Aristotle UniversityPapageorgiou University Hospital Thessaloniki Greece
3. Laboratory of Biostatistics School of Medicine University of Crete Crete Greece
4. Department of Dermatology‐Venereology University General Hospital of Heraklion Heraklion/Crete Greece
5. Laboratory of Biological Chemistry Aristotle University School of Medicine Thessaloniki Greece
6. 2nd Department of Dermatology‐Venereology National and Kapodistrian University of Athens Medical SchoolAttikon” Hospital Athens Greece
7. Department of Dermatology‐Venereology Faculty of Medicine University of Crete Heraklion/Crete Greece