1 İzmir Dr. Suat Seren Chest Diseases and Surgery Training and Research Hospital, Department of Chest Diseases, Division of Allergy and Immunology, İzmir, Turkey.
2 Ankara University School of Medicine, Department of Chest Diseases, Division of Allergy and Immunology, Ankara, Turkey.
3 Ankara University School of Medicine, Department of Biostatistics, Ankara, Turkey.
4 Recep Tayyip Erdoğan University School of Medicine, Department of Internal Medicine, Division of Allergy and Immunology, Rize, Turkey.
5 Department of Pulmonary Medicine, Division of Immunology, Allergy and Asthma, Faculty of Medicine, Ege University, Izmir, Turkey.
6 Koç University School of Medicine, Department of Chest Diseases, Division of Allergy and Immunology, İstanbul, Turkey.
7 Yedikule Chest Diseases and Surgery Training and Research Hospital, Adult Allergy and Immunology Unit, Istanbul, Turkey.
8 Ankara University School of Medicine, Department of Chest Diseases, Division of Allergy and Immunology, Ankara, Turkey. Electronic address: bavbek@medicine.ankara.edu.tr.