1. From the Division of Immunology and Allergic Diseases, Department of Internal Medicine, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey;
2. Department of Oncologic Cytology, Institute of Oncology, Istanbul University, Istanbul, Turkey;
3. Division of Immunology and Allergic Diseases, Hospital of University of Health Sciences, Istanbul, Turkey;
4. Division of Immunology and Allergic Diseases, Yedikule Chest Surgery and Chest Diseases Hospital, Istanbul, Turkey; and
5. Department of Public Health, Istanbul Faculty of Medicine, Istanbul University, Istanbul, Turkey