1. Allergy Unit ‘D. Kalogeromitros’; 2nd Department of Dermatology and Venereology; ‘Attikon’ General University Hospital; Medical School; University of Athens; Athens Greece
2. 2nd Department of Dermatology and Venereology; ‘Attikon’ General University Hospital; Medical School; University of Athens; Athens Greece
3. Department of Pharmacology; Medical School; University of Athens; Athens Greece