[1] Baylor Coll Med, Henry JN Taub Dept Emergency Med, Houston, TX 77046 USA
[2] East Carolina Univ, Brody Sch Med, Dept Emergency Med, Greenville, NC USA
[3] UMass Chan Med Sch, Dept Emergency Med, Worcester, MA USA
[4] Zucker Sch Med Hofstra Northwell, Dept Emergency Med, Bay Shore, NY USA
[5] Indiana Univ Sch Med, Dept Emergency Med, Bloomington, IN USA
[6] Univ Colorado, Sch Med, Dept Emergency Med, Denver, CO USA
[7] Univ Texas Southwestern Med Ctr, Div Emergency Med, Dallas, TX USA
[8] Stanford Univ, Sch Med, Dept Emergency Med, Palo Alto, CA USA
[9] Rutgers New Jersey Med Sch, Dept Emergency Med, Newark, NJ USA