Affiliation: | 1. Department of Paediatrics: Child and Youth Health, The University of Auckland, Auckland, New Zealand;2. Division of Otolaryngology‐Head and Neck Surgery, Counties‐Manukau District Health Board, Auckland, New Zealand;3. Department of Emergency Medicine and Division of Rheumatology, Allergy, and Immunology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA;4. Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA |