[1] Univ British Columbia, Pediat Res Emergency Therapeut PRETx Program, Dept Pediat, Div Emergency Med, Vancouver, BC, Canada
[2] BC Childrens Hosp, Res Inst, Vancouver, BC, Canada
[3] Univ Childrens Hosp Zurich, Emergency Dept, Zurich, Switzerland
[4] Hosp St Joan Deu Barcelona, Pediat Emergency Dept, Barcelona, Spain
[5] Seattle Childrens Hosp, Seattle, WA USA
[6] Univ Washington, Sch Med, Seattle, WA USA
[7] Univ Hosp Bern, Pediat Emergency Med, Inselspital, Bern, Switzerland
[8] Tel Aviv Univ, Assaf Harofeh Med Ctr, Pediat Emergency Med Unit, Tel Aviv, Israel
[9] Tel Aviv Univ, Sackler Fac Med, Tel Aviv, Israel
[10] Childrens Hosp Los Angeles, USC Keck Sch Med, Div Emergency & Transport Med, Los Angeles, CA 90027 USA
[11] Hosp Sick Children, Pediat Emergency Med, Toronto, ON, Canada
[12] Univ Toronto, Toronto, ON, Canada
[13] Emory Sch Med, Div Pediat Emergency Med, Childrens Healthcare Atlanta, Atlanta, GA USA
[14] Jim Pattison Childrens Hosp, Pediat Emergency Med, Saskatoon, SK, Canada
[15] Univ Saskatchewan, Saskatoon, SK, Canada
[16] Univ Geneva, Geneva Univ Hosp, Geneva Childrens Hosp, Dept Pediat Emergency Med, Geneva, Switzerland
[17] Univ Geneva, Fac Med, Geneva, Switzerland
[18] Pediat Inst Italian Part Switzerland, Pediat Emergency Dept, Ticino, Switzerland
[19] St Marianna Univ, Dept Pediat, Sch Med, Kawasaki, Kanagawa, Japan
[20] Mary Bridge Childrens Hosp, Dept Emergency Med, Tacoma, WA USA
[21] Oregon Hlth & Sci Univ, Doernbecher Childrens Hosp, Emergency Med, Portland, OR 97201 USA
[22] Univ Alberta, Fac Med & Dent, Women & Childrens Hlth Res Inst, Dept Pediat, Edmonton, AB, Canada
[23] Alberta Childrens Prov Gen Hosp, Pediat & Emergency Med, Calgary, AB, Canada
[24] Univ Calgary, Calgary, AB, Canada
[25] Univ Montreal, Pediat Emergency Med CHU St Justine, Montreal, PQ, Canada