Affiliation: | 1. Allergy & Severe Asthma Service, St Bartholomew’s Hospital, Barts Health NHS Trust, London, UK;2. Drug Desensitisation Centre, Catalan Institute of Oncology, Barcelona, Spain;3. Drug Desensitisation Centre, Catalan Institute of Oncology, Barcelona, Spain Allergy Service, Internal Medicine Department, Bellvitge University Hospital, Barcelona, Spain;4. Allergy Division, Former Head, Ramon y Cajal University Hospital, Madrid, Spain |