[1] St Justine Univ Hosp Ctr, Dept Pediat, Div Clin Immunol Rheumatol & Allergy, Montreal, PQ, Canada
[2] Ctr Hosp Univ Montreal, Div Allergy & Clin Immunol, Dept Med, Montreal, PQ, Canada
[3] St Justine Univ Hosp Ctr, Res Ctr, Montreal, PQ, Canada
[4] Univ British Columbia, BC Childrens Hosp, Dept Pediat, Div Allergy & Immunol, Vancouver, BC, Canada
[5] Western Univ, Div Clin Immunol & Allergy, Dept Med, London, ON, Canada
[6] McMaster Univ, Div Clin Immunol & Allergy, Dept Med, Hamilton, ON, Canada
[7] Natl Inst Excellence Hlth & Social Serv, Unit Methods Eth & Participat, INESSS, Montreal, PQ, Canada
[8] Univ Montreal, Dept Bioeth, Sch Publ Hlth, Montreal, PQ, Canada
[9] Univ Manitoba, Sect Allergy & Clin Immunol, Dept Pediat, Winnipeg, MB, Canada
[10] Montreal Childrens Hosp, Div Allergy Immunol & Dermatol, Dept Pediat, Montreal, PQ, Canada
[11] Community Allergy Clin, Victoria, BC, Canada
[12] Univ Alberta, Dept Pediat, Edmonton, AB, Canada
[13] Mem Univ Newfoundland, Discipline Pediat, St John, NF, Canada
[14] Dalhousie Univ, Dept Pediat, Halifax, NS, Canada
[15] CISSS Laval, Div Allergy & Clin Immunol, Dept Med, Laval, PQ, Canada
[16] Univ Toronto, Hosp Sick Children, Div Immunol & Allergy, Dept Pediat, Toronto, ON, Canada