1. Division of Immunology and Allergy, Department of Chest Diseases, School of Medicine Ankara University Ankara Turkey
2. Department of Chest Diseases, Allergy and Immunology Unit, İzmir Faculty of Medicine, Dr. Suat Seren Chest Diseases and Surgery Training and Research Hospital University of Health Sciences İzmir Turkey
3. Allergy Unit Borgo Roma University Hospital Verona Italy
4. Department of Allergology and Pulmonology, Faculty of Medicine University of Belgrade, University Children's Hospital Belgrade Serbia
5. Département de dermatologie et allergologie Sorbonne Université, INSERM, Institut Pierre Louis d'Epidémiologie et de Santé Publique, AP‐HP, Sorbonne Université, Hôpital Tenon Paris France
6. Department of Dermatology and Allergy Biederstein, Faculty of Medicine Technical University of Munich Munich Germany
7. Allergy Unit, Allergo‐Anaesthesia Unit, Faculty of Medicine, Hospital Central de la Cruz Roja Alfonso X El Sabio University Madrid Spain
8. Allergy and Clinical Immunology Department University of Liverpool, Royal Preston Hospital, Lancashire Teaching Hospitals, NHS Foundation Trust Liverpool UK
9. Medicine Department Medicine Ward Mantova Hospital, ASST di Mantova Mantova Italy
10. Immunology Unit Borgo Roma University Hospital Verona Italy
11. Division of Dermatology and Allergy APSS – Trento Hospital Trento Italy
12. Allergy Unit, Regional University Hospital of Malaga, IBIMA‐UMA‐ARADyAL Malaga Spain