1. Allergy Unit “D. Kalogeromitros”, 2nd Department of Dermatology and Venereology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
2. 2nd Department of Pathology, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece
3. Department of Cytogenetics and Molecular Pathology, Locus Medicus S.A., Athens, Greece
4. Hematology Unit, 2nd Department of Internal Medicine, Propaedeutic, Medical School, National and Kapodistrian University of Athens, Attikon University Hospital, Athens, Greece