[1] UT Southwestern Med Ctr, Dept Emergency Med, Dallas, TX 75390 USA
[2] Stanford Univ, Dept Emergency Med, Stanford, CA USA
[3] Oregon Hlth & Sci Univ, Dept Med Informat & Clin Epidemiol, Portland, OR USA
[4] Icahn Sch Med Mt Sinai, Dept Emergency Med, New York, NY USA
[5] Univ Maryland, Dept Neurocrit Care Neurol Anesthesiol Neurosurg, Sch Med, Baltimore, MD USA
[6] Uniformed Serv Univ Hlth Sci, Bethesda, MD USA
[7] Queens Med Ctr, Trauma Serv, Honolulu, HI USA
[8] Univ Louisville, Norton Childrens Hosp, Hiram C Polk Jr Dept Pediat Surg, Louisville, KY USA
[9] Akron Gen Hosp, Cleveland Clin, Dept Neurosurg, Fairlawn, OH USA
[10] Harvard Med Sch, Brigham & Womens Hosp, Dept Emergency Med, Boston, MA USA
[11] UT Southwestern Med Ctr, Dallas Childrens Med Ctr, Dept Pediat Emergency Med, Dallas, TX USA
[12] Stanford Univ, Dept Neurosurg, Stanford, CA USA
[13] Med Coll Wisconsin, Dept Emergency Med, Milwaukee, WI USA
[14] Univ Calif Davis, Dept Emergency Med, Sacramento, CA USA
[15] Hofstra Northwell Sch Med, Cohen Childrens Med Ctr, Pediat Crit Care, Uniondale, NY USA
[16] USAF Ctr Sustainment Trauma Readiness Skills, Trauma & Crit Care, Seattle, WA USA
[17] Univ Massachusetts, Dept Phys Therapy & Kinesiol, Lowell, MA USA
[18] Emory Univ, Dept Emergency Med, Atlanta, GA USA
[19] Univ Arizona, Coll Med, Phoenix, AZ USA
[20] Univ Texas Hlth Sci Ctr Houston UTHealth, McGovern Med Sch U, Dept Emergency Med, Houston, TX USA