1. Division of Immunology and Allergy Department of Chest Diseases School of Medicine Ankara University Ankara Turkey
2. Medical Department Medicine Ward ASST di Mantova Mantova Italy
3. Allergy Division, Former Head Ramon y Cajal University Hospital Madrid Spain
4. Division of Allergy and Immunology Department of Medicine Brigham and Women's Hospital Harvard Medical School Boston Massachusetts USA
5. Department of Immunology and Allergic Diseases Recep Tayyip Erdoğan University Rize Turkey
6. Allergy & Severe Asthma Service St Bartholomew's Hospital Barts Health NHS Trust London UK
7. Drug Desensitisation Centre Catalan Institute of Oncology Barcelona Spain
8. Allergy Department Complexo Hospitalario Universitario A Coruña (CHUAC) A Coruña Spain
9. Department of Biomedicine Azienda Ospedaliera Universitaria Careggi Florence Italy