1. Kartal Training and Research Hospital, Department of Allergy and Immunology, Istanbul, Turkey.
2. Sakarya University Faculty of Medicine Training and Research Hospital, Department of Public Health, Sakarya, Turkey.
3. Bursa State Hospital, Departments of Allergy and Immunology, Bursa, Turkey.
4. Allergist and Clinical Immunologist, Okan University Hospital, Istanbul, Turkey.