[1] Metropolitan Area EMS Author, Off Med Director, Ft Worth, TX 76116 USA
[2] Natl Registry Emergency Med Technicians, Columbus, OH USA
[3] North Mem Hlth Hosp, Emergency Med, Level 1 trauma Ctr, Minneapolis, MN USA
[4] Los Angeles Cty Dept Hlth Serv, EMS, Los Angeles, CA USA
[5] Univ Calif San Diego, Dept Emergency Med, La Jolla, CA USA
[6] Univ New Mexico, Dept Emergency Med, Albuquerque, NM USA
[7] Med Coll Wisconsin, Dept Emergency Med, Milwaukee, WI USA
[8] Global Med Response Inc, EMS, Greenwood Village, CO USA
[9] Healthcare Innovat & Sci Ctr, EMS, Spring Branch, TX USA
[10] LCMC Hlth, Dept Emergency Med, New Orleans, LA USA
[11] EMS, Anchorage, AR USA
[12] Stony Brook Med, Dept Emergency Med, Stony Brook, NY USA
[13] Robert Wood Johnson Univ Hosp, Dept Emergency Med, New Brunswick, NJ USA
[14] ESO Solut Inc, Res, Austin, TX USA
[15] Natl Registry Emergency Med Technicians, Res, Columbus, OH USA
[16] Alberta Hlth Serv, Dept Emergency Med, Edmonton, AB, Canada