1. 2nd Department of Dermatology and Venereology, National and Kapodistrian University of Athens Medical School, Attikon Hospital, Athens, Greece
2. Department of Cardiology, Hull University Teaching Hospitals, NHS Hull, United Kingdom
3. Department of Biological Chemistry, Medical School, National & Kapodistrian University of Athens, Athens, Greece
4. 2nd Department of Cardiology, National and Kapodistrian University of Athens Medical School, Attikon Hospital, Athens, Greece
5. Department of Dermatology, University of Padova, Padova, Italy
6. Departments of Dermatology and Allergy, Herlev and Gentofte Hospital, University of Copenhagen, Hellerup, Denmark