1. Allergy Unit “D. Kalogeromitros”, 2nd Department of Dermatology and Venereology, Medical School, “Attikon” University Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece
2. 2nd Department of Dermatology and Venereology, Medical School, “Attikon” University Hospital, National and Kapodistrian University of Athens, 12462 Athens, Greece