[1] Univ Michigan, Dept Emergency Med, Ann Arbor, MI 48109 USA
[2] Queens Univ, Dept Emergency Med, Kingston, ON, Canada
[3] Harvard Humanitarian Initiat, Cambridge, MA USA
[4] Johns Hopkins Univ, Dept Emergency Med, Baltimore, MD USA
[5] Boston Univ, Dept Emergency Med, Sch Med, Boston, MA 02215 USA
[6] Boston Univ, Ctr Global Hlth & Dev, Boston, MA 02215 USA
[7] Navy Hosp Camp Lejeune, Dept Emergency Med, US Navy, Med Corps, Camp Lejeune, NC USA
[8] Brigham & Womens Hosp, Dept Emergency Med, Boston, MA 02115 USA
[9] Partners Hlth, Boston, MA USA
[10] Komfo Anokye Teaching Hosp, Dept Accid & Emergency, Kumasi, Ghana
[11] Kwame Nkrumah Univ Sci & Technol, Kumasi, Ghana
[12] Brown Univ, Warren Alpert Med Sch, Providence, RI 02912 USA
[13] Brown Univ, Warren Alpert Med Sch, Dept Emergency Med, Providence, RI 02912 USA