[1] McGill Univ, Dept Pediat, Hlth Ctr, Div Pediat Allergy & Clin Immunol, Montreal, PQ, Canada
[2] Univ Calgary, Dept Med, Cummings Sch Med, Div Rheumatol, Calgary, AB, Canada
[3] Sacre Coeur Hop, Dept Emergency Med, Montreal, PQ, Canada
[4] McGill Univ, Hlth Ctr, Montreal Childrens Hosp, Dept Emergency Med, Montreal, PQ, Canada
[5] Ctr Hosp Univ St Justine, Dept Pediat, Div Emergency Med, Montreal, PQ, Canada
[6] Univ British Columbia, BC Childrens Hosp, Dept Pediat, Div Emergency Med, Vancouver, BC, Canada
[7] Univ British Columbia, Dept Pediat, BC Childrens Hosp, Div Allergy & Immunol, Vancouver, BC, Canada
[8] Food Allergy Canada, Toronto, ON, Canada
[9] Mem Univ, Dept Pediat, Fac Med, St John, NF, Canada
[10] Mem Univ, Div Emergency Med, Fac Med, St John, NF, Canada
[11] London Hlth Sci Ctr, Childrens Hosp, Div Pediat & Emergency Med, London, ON, Canada
[12] Stollery Childrens Hosp, Dept Pediat, Div Pediat Allergy & Clin Immunol, Edmonton, AB, Canada