[1] UPMC, Childrens Hosp Pittsburgh, Dept Crit Care Med, Div Pediat Crit Care, Pittsburgh, PA 15213 USA
[2] Univ Pittsburgh, Med Ctr, Dept Crit Care Med, Safar Ctr Resuscitat Res, Pittsburgh, PA USA
[3] Univ Washington, Dept Pediat, Seattle, WA 98195 USA
[4] Seattle Childrens Hosp, Seattle, WA USA
[5] Univ Nairobi, Kenyatta Hosp, Dept Paediat & Child Hlth, Nairobi, Kenya
[6] Columbia Univ, Med Ctr, Dept Pediat, Div Pediat Crit Care Med, New York, NY USA
[7] Addis Ababa Univ, Dept Pediat, Addis Ababa, Ethiopia
[8] Addis Ababa Univ, Dept Surg, Addis Ababa, Ethiopia
[9] Baylor Coll Med, Dept Pediat, Sect Emergency Med, Houston, TX 77030 USA
[10] Texas Childrens Hosp, Houston, TX 77030 USA
[11] Univ Teaching Hosp Kigali, Dept Paediat, Kigali, Rwanda
[12] Kwame Nkrumah Univ Sci & Technol, Sch Publ Hlth, Dept Community Hlth, Kumas, Ghana
[13] Univ Pittsburgh, Grad Sch Publ Hlth, Epidemiol Data Ctr, Pittsburgh, PA USA
[14] Univ Pittsburgh, Sch Med, Dept Crit Care Med, Pittsburgh, PA USA
[15] Univ Pittsburgh, Med Ctr, Dept Crit Care Med, Clin Res Invest & Syst Modeling Acute Illness Ctr, Pittsburgh, PA USA
[16] Harvard Med Sch, Dept Neurol, Boston, MA USA
[17] Harvard Med Sch, Dept Anaesthesia Pediat, Boston, MA USA