[1] Childrens Hosp Eastern Ontario, Div Neonatol, 401 Smyth Rd, Ottawa, ON K1H 8L1, Canada
[2] Univ Ottawa, Dept Pediat, Ottawa, ON, Canada
[3] Saskatchewan Hlth Author, Dept Pediat, Regina Gen Hosp, Regina, SK, Canada
[4] Univ Saskatchewan, Dept Pediat, Coll Med, Regina, SK, Canada
[5] Univ Calgary, Dept Paediat, Cumming Sch Med, Calgary, AB, Canada
[6] Sunnybrook Hlth Sci Ctr, Dept Newborn & Dev Paediat, Toronto, ON, Canada
[7] Univ Manitoba, Dept Paediat & Child Hlth, Max Rady Fac Med, Winnipeg, MB, Canada
[8] Dalhousie Univ, Dept Pediat, Div Neonatol, St John, NB, Canada
[9] McMaster Univ, Div Neonatol, Hamilton, ON, Canada
[10] Royal Alexandra Hosp, Ctr Studies Asphyxia & Resuscitat, Neonatal Res Unit, Edmonton, AB, Canada
[11] Univ Alberta, Dept Pediat, Fac Med & Dent, Edmonton, AB, Canada
[12] Mt Sinai Hosp, Dept Pediat, Toronto, ON, Canada
[13] Univ Toronto, Toronto, ON, Canada
[14] IWK Hlth Ctr, Div Neonatal Perinatal Med, Halifax, NS, Canada
[15] Dalhousie Univ, Dept Pediat, Halifax, NS, Canada
[16] BC Univ British Columbia, Dept Pediat, Vancouver, BC, Canada
[17] Hosp Sick Children, Div Neonatol, Toronto, ON, Canada