1 Faculty of Medicine and Health Sciences, McGill University, Montreal, Quebec, Canada. Electronic address: roy.khalaf@mail.mcgill.ca.
2 Faculty of Medicine and Health Sciences, McGill University, Montreal, Quebec, Canada.
3 Division of Allergy Immunology and Dermatology, Department of Pediatrics, McGill University Health Centre, Montreal, Quebec, Canada.
4 Department of Pediatrics, McGill University Health Centre, Montreal, Quebec, Canada.
5 Division of Rheumatology, Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
6 Department of Emergency Medicine, Sacré-Coeur Hôpital, Montreal, Quebec, Canada.
7 Department of Pediatric Emergency Medicine, Centre Hospitalier Universitaire Sainte-Justine Université de Montréal, Montreal, Quebec, Canada.
8 Division of Pediatric Emergency Medicine, Department of Pediatrics, Children's Hospital at London Health Science Centre, London, Ontario, Canada.
9 Division of Allergy and Immunology, Department of Pediatrics, BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
10 Division of Clinical Pharmacology and Emergency Medicine, Department of Pediatrics, BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
11 Department of Pediatrics, Faculty of Medicine, Memorial University, St John's, Newfoundland & Labrador, Canada.
12 Food Allergy Canada, Toronto, Ontario, Canada.
13 Division of Clinical Immunology and Allergy, Department of Medicine, and Department of Health Research Methods, Evidence and Impact, McMaster University, Hamilton, Ontario, Canada.
14 Division of Immunology and Allergy, Department of Pediatrics, The Hospital for Sick Children, Department of Paediatrics, University of Toronto, Toronto, Ontario, Canada.
15 Department of Pediatric Emergency Medicine, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada.
16 Emergency Medical Services of Outaouais, Outaouais, Quebec, Canada.
17 Centre for Outcomes Research and Evaluation, Research Institute of McGill University Health Centre, Montreal, Quebec, Canada.
18 Department of Pediatrics and Child Health, Children's Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada.
19 Section of Allergy and Clinical Immunology, Department of Pediatrics and Child Health, Children's Hospital Research Institute of Manitoba, Winnipeg, Manitoba, Canada.
20 Faculty of Medicine and Health Sciences, McGill University, Montreal, Quebec, Canada; Division of Allergy Immunology and Dermatology, Department of Pediatrics, McGill University Health Centre, Montreal, Quebec, Canada.