[1] Univ Oklahoma, Hlth Sci Ctr, Dept Pediat, Sect Pediat Emergency Med, Oklahoma City, OK 73190 USA
[2] Univ Cincinnati, Cincinnati Childrens Hosp Med Ctr, Dept Pediat, Div Emergency Med,Sch Med, Cincinnati, OH 45221 USA
[3] Washington Univ, Sch Med, Dept Pediat, Div Gastroenterol Hepatol & Nutr, St Louis, MO 63110 USA
[4] Univ Calgary, Alberta Childrens Hosp, Cumming Sch Med, Dept Pediat,Sect Pediat Emergency Med, Calgary, AB, Canada
[5] Univ Toronto, Hosp Sick Children, Div Emergency Med, Toronto, ON, Canada
[6] Univ Toronto, Hosp Sick Children, Div Clin Pharmacol & Toxicol, Toronto, ON, Canada
[7] Univ Manitoba, Max Rady Coll Med, Dept Pediat, Div Pediat Emergency Med, Winnipeg, MB, Canada
[8] Univ Utah, Sch Med, Div Pediat Emergency Med, Salt Lake City, UT USA
[9] Childrens Minnesota, Dept Emergency Med, Minneapolis, MN USA
[10] Univ Washington, Seattle Childrens Hosp, Sch Med, Dept Pediat,Div Emergency Med, Seattle, WA 98195 USA
[11] Baylor Coll Med, Sect Pediat Emergency Med, Houston, TX 77030 USA
[12] Baylor Coll Med, Sect Pediat Infect Dis, Houston, TX 77030 USA
[13] Nationwide Childrens Hosp, Div Emergency Med, Columbus, OH USA
[14] Ohio State Univ, Columbus, OH 43210 USA
[15] Univ Alberta, Stollery Childrens Hosp, Women & Childrens Res Inst, Dept Pediat,Div Pediat Emergency Med, Edmonton, AB, Canada
[16] Univ Pittsburgh, Sch Med, Dept Pediat, Div Pediat Emergency Med,Childrens Hosp, Pittsburgh, PA 15260 USA
[17] Univ Louisville, Dept Pediat, Div Pediat Emergency Med, Louisville, KY 40292 USA
[18] Northwestern Univ, Ann & Robert H Lurie Childrens Hosp, Feinberg Sch Med, Div Emergency Med, Chicago, IL 60611 USA
[19] Western Univ, Childrens Hosp, Schulich Sch Med & Dent, Dept Pediat, London, ON, Canada
[20] Western Univ, Childrens Hosp, Schulich Sch Med & Dent, Div Emergency Med, London, ON, Canada
[21] Boston Childrens Hosp, Div Emergency Med, Boston, MA USA
[22] McGill Univ, Hlth Ctr, Dept Pediat, Div Nephrol, Montreal, PQ, Canada
[23] Univ Alabama Birmingham, Dept Pediat, Div Pediat Emergency Med, Birmingham, AL USA
[24] Univ Texas Southwestern, Dept Pediat, Div Pediat Emergency Med, Childrens Hlth, Dallas, TX USA
[25] Univ British Columbia, Dept Pediat, Div Pediat Emergency Med, Vancouver, BC, Canada
[26] Univ British Columbia, Dept Emergency Med, Div Pediat Emergency Med, Vancouver, BC, Canada
[27] Univ Ottawa, Dept Pediat, Div Pediat Emergency Med, Ottawa, ON, Canada
[28] Univ Michigan Hlth Syst, Dept Pediat, Ann Arbor, MI USA
[29] Univ Michigan Hlth Syst, Dept Emergency Med, Ann Arbor, MI USA
[30] Univ Arkansas, Arkansas Childrens Hosp, Sch Med, Dept Pediat & Emergency Med,Res Inst, Little Rock, AR 72204 USA
[31] Univ Montreal, Dept Pediat Emergency Med, Montreal, PQ, Canada
[32] Univ Montreal, Dept Pediat, Montreal, PQ, Canada
[33] McMaster Univ, McMaster Childrens Hosp, Dept Pediat, Div Pediat Emergency Med, Hamilton, ON, Canada
[34] Med Coll Wisconsin, Dept Pediat, Div Pediat Emergency Med, 8701 Watertown Plank Rd, Milwaukee, WI 53226 USA
[35] Univ Penn, Childrens Hosp Philadelphia, Perelman Sch Med, Philadelphia, PA 19104 USA
[36] Monroe Carell Jr Childrens Hosp Vanderbilt, Div Pediat Nephrol, Nashville, TN USA
[37] Univ Calif San Diego, Sch Med, Dept Pediat, La Jolla, CA 92093 USA
[38] Rady Childrens Hosp San Diego, San Diego, CA USA
[39] Emory Univ, Dept Pediat, Div Pediat Emergency Med, Childrens Healthcare Atlanta, Atlanta, GA 30322 USA
[40] Joseph M Sanzari Childrens Hosp, Div Pediat Emergency Med, Dept Pediat, Hackensack Meridian Sch Med Seton Hall, Hackensack, NJ USA
[41] Mem Univ Newfoundland, Fac Med, Discipline Pediat, St John, NF, Canada
[42] Albert Einstein Coll Med, Childrens Hosp Montefiore, Dept Pediat, Div Pediat Emergency Med, Bronx, NY 10467 USA
[43] Univ Minnesota, Masonic Childrens Hosp, Dept Pediat, Div Emergency Med, Minneapolis, MN 55455 USA
[44] Alberta Childrens Prov Gen Hosp, Dept Pediat, Sect Pediat Emergency Med, Calgary, AB, Canada
[45] Alberta Childrens Prov Gen Hosp, Dept Pediat, Sect Gastroenterol, Calgary, AB, Canada
[46] Univ Calgary, Alberta Childrens Hosp, Cumming Sch Med, Res Inst, 28 Oki Dr NW, Calgary, AB T3B 6A8, Canada