[1] Queens Univ, Dept Biomed & Mol Sci, Kingston, ON, Canada
[2] Queens Univ, Sch Comp, Kingston, ON, Canada
[3] Univ British Columbia, Div Allergy & Immunol, Dept Pediat, Vancouver, BC, Canada
[4] Child & Family Res Inst, Vancouver, BC, Canada
[5] British Columbia Childrens Hosp, Dept Pediat, Vancouver, BC, Canada
[6] Univ Calif San Diego, Dept Pediat, La Jolla, CA 92093 USA
[7] Larsson Rosenquist Fdn, Mother Milk Infant Ctr Res Excellence MOMI CORE, La Jolla, CA USA
[8] Univ Alberta, Dept Pediat, Edmonton, AB, Canada
[9] Univ Manitoba, Sect Allergy & Immunol, Dept Pediat & Child Hlth, Winnipeg, MB, Canada
[10] Univ Toronto, Dalla Lana Sch Publ Hlth, Occupat & Environm Hlth Div, Toronto, ON, Canada
[11] Hosp Sick Children, Toronto, ON, Canada
[12] Univ Toronto, Dept Pediat, Toronto, ON, Canada
[13] McMaster Univ, Dept Med, Hamilton, ON, Canada
[14] Childrens Hosp Res Inst Manitoba, Manitoba Interdisciplinary Lactat Ctr MILC, Winnipeg, MB, Canada