1 Division of Allergy and Clinical Immunology, Department of Pediatrics, Montreal Children's Hospital, McGill University Health Centre, Montreal, QC, Canada. Electronic address: kayadri.ratnarajah@mail.mcgill.ca.
2 Division of Rheumatology, Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada.
3 Division of Allergy and Clinical Immunology, Department of Pediatrics, Montreal Children's Hospital, McGill University Health Centre, Montreal, QC, Canada.
4 Department of Emergency Medicine, Sacré-Coeur Hôpital, Montreal, QC, Canada.
5 Division of Pediatric Emergency Medicine, Department of Pediatrics, Centre Hospitalier Universitaire Sainte-Justine, Montreal, QC, Canada.
6 Division of Pediatric Emergency Medicine, Department of Pediatrics, Children's Hospital at London Health Science Centre, London, ON, Canada.
7 Division of Allergy and Immunology, Department of Pediatrics, BC Children's Hospital, University of British Columbia, Vancouver, BC, Canada.
8 Division of Clinical Pharmacology and Emergency Medicine, Department of Pediatrics, BC Children's Hospital, University of British Columbia, Vancouver, BC, Canada.
9 Division of Allergy and Immunology, Department of Pediatrics, Faculty of Medicine, Memorial University, St John's, NL, Canada.
10 Food Allergy Canada, Toronto, ON, Canada.
11 Division of Clinical Immunology & Allergy, Department of Medicine, and Department of Health Research Methods, Evidence & Impact, McMaster University, Hamilton, ON, Canada.
12 Division of Immunology and Allergy, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, ON, Canada.