1 Department of Pediatric Immunology and Allergy, Ankara University Faculty of Medicine, Ankara, Türkiye 2 Meyer Children’s Hospital IRCCS, Pediatric Immunology Unit, Florance, Italy 3 Department of Chest Diseases, Division of Immunology and Allergic Diseases, Ankara University Faculty of Medicine, Ankara, Türkiye 4 Azienda Ospedaliera Universitaria Careggi, Unit Asma Grave, Ambulatorio Asma Grave Pneumologia e Fisiopatologia Toraco Polmonare, Florance, Italy 5 Department of Immunology and Allergic Diseases, Ankara Bilkent City Hospital, Ankara, Türkiye 6 Department of Internal Medicine, Division of Immunology and Allergy, Ege University, Faculty of Medicine, İzmir, Türkiye 7 Department of Pediatric Immunology and Allergy, Hacettepe University, Faculty of Medicine, Ankara, Türkiye 8 Can Sucak Research Laboratory for Translational Immunology, Hacettepe University, Ankara, Türkiye 9 Kedrion S.p.A., Medical Affairs, Barga, Italy