[1] Hosp Nacl Ninos Dr Carlos Saenz Herrera, CCSS San Jose, Emergency Dept, San Jose, Costa Rica
[2] KK Womens & Childrens Hosp, Childrens Intens Care Unit, Singapore, Singapore
[3] Inst Nacl Salud Nino, Dept Areas Crit & Emergencias, Lima, Peru
[4] Hosp Interzonal Especializado Pediat Sor Maria Lu, Buenos Aires, DF, Argentina
[5] Univ Nacl Colombia, Fdn Homi, FUCS, Bogota, Colombia
[6] Univ La Sabana, Fdn Cardioinfantil, Dept Crit Care Med & Pediat, Inst Cardiol, Bogota, Colombia
[7] Univ Republ Montevideo, Fac Med, Ctr Hosp Pereira Rossell, Dept Pediat, Montevideo, Uruguay
[8] Univ Republ Montevideo, Fac Med, Ctr Hosp Pereira Rossell, Unidad Cuidados Intens Ninos, Montevideo, Uruguay
[9] Consortium Clin Res & Innovat, Singapore Clin Res Inst, Singapore, Singapore
[10] Aga Khan Univ, Dept Paediat & Child Hlth, Karachi, Sindh, Pakistan
[11] King Saud bin Abdulaziz Univ Hlth Sci, Coll Med, King Abdullah Int Med Res Ctr Riyadh, Dept Paediat,Minist Natl Guards Hlth Affairs, Riyadh, Saudi Arabia
[12] KK Womens & Childrens Hosp, KK Res Ctr, Singapore, Singapore
[13] KK Womens & Childrens Hosp, Dept Emergency Med, Singapore, Singapore