1. Division of Pediatric Allergy and Clinical Immunology, Department of PediatricsMcGill University Health CentreMontrealQuebecCanada
2. Division of Rheumatology, Department of Medicine, Cumming School of MedicineUniversity of CalgaryCalgaryAlbertaCanada
3. Department of Emergency MedicineMontreal Children's HospitalMcGill University Health CentreMontrealQuebecCanada
4. Department of Emergency MedicineHôpital du Sacré‐CoeurMontrealQuebecCanada
5. Department of Epidemiology and BiostatisticsMcGill UniversityMontrealQuebecCanada
6. Food DirectorateHealth CanadaOttawaOntarioCanada
7. Département sciences des aliments, Faculté des sciences de l'agriculture et de l'alimentationUniversité LavalQuébec CityQuébecCanada
8. Division of Allergy and Clinical ImmunologyJewish General Hospital, McGill UniversityMontrealQuebecCanada
9. Department of Paediatrics and Emergency MedicineChildren's Hospital at London Health Science CentreLondonOntarioCanada
10. Division of Emergency MedicineDepartment of PediatricsUniversity of British ColumbiaVancouverBritish ColumbiaCanada
11. Division of Allergy and ImmunologyDepartment of PediatricsBC Children's HospitalUniversity of British ColumbiaVancouverBritish ColumbiaCanada