[1] Univ New Mexico, ECHO Inst, Albuquerque, NM 87131 USA
[2] Univ New Mexico, Dept Neurosurg, Albuquerque, NM 87131 USA
[3] Johns Hopkins Univ, Johns Hopkins Bloomberg Sch Publ Hlth, Baltimore, MD 21205 USA
[4] Univ New Mexico, Dept Emergency Med, Albuquerque, NM 87131 USA
[5] Albuquerque Police Dept, Behav Sci Sect, Albuquerque, NM 87102 USA
[6] Cent New Mexico Community Coll, Emergency Med Serv Program, Albuquerque, NM 87106 USA
[7] Univ New Mexico, Dept Psychiat & Behav Sci, Albuquerque, NM 87131 USA