[1] Brookdale Univ Hosp & Med Ctr, Dept Emergency Med, 1 Brookdale Plaza, Brooklyn, NY 11212 USA
[2] George Washington Univ, Sch Med & Hlth Sci, Dept Emergency Med, 2120 L St NW,Suite 450, Washington, DC 20037 USA
[3] Univ Colorado, Sch Med, Dept Emergency Med, 12605 E 16th Ave, Aurora, CO 80045 USA
[4] Univ Colorado Hosp UCH, Denver Hlth & Hosp Author, Rocky Mt Poison & Drug Ctr, 12605 E 16th Ave, Aurora, CO 80045 USA
[5] Univ Calif Los Angeles, Dept Psychiat & Biobehav Sci, Los Angeles, CA USA
[6] UCLA Cannabis Res Initiat, Jane & Terry Semel Inst Neurosci Human Behav, Off 37-418, Los Angeles, CA 90095 USA
[7] George Washington Univ, Milken Inst, Sch Publ Hlth, Dept Biostat & Bioinformat, 950 New Hampshire Ave NW, Washington, DC 20052 USA