Affiliation: | 1. Department of Allergy, Guy''s and St Thomas'' NHS Foundation Trust, London, United Kingdom;2. Division of Rheumatology and Clinical Immunology, Department of Medicine, Queen Mary Hospital, University of Hong Kong, Pokfulam, Hong Kong;3. Department of Allergy, Cambridge University Hospitals NHS Foundation Trust, Cambridge, United Kingdom;4. Department of Respiratory Diagnostics, Medical University of Bialystok, Bialystok, Poland |