[1] Muhimbili Univ Hlth & Allied Sci, Emergency Med Dept, POB 65001, Dar Es Salaam, Tanzania
[2] Muhimbili Natl Hosp, Emergency Med Dept, Dar Es Salaam, Tanzania
[3] Al Zahra Hosp Sharjah, Emergency Dept, Sharjah, U Arab Emirates
[4] Univ Cape Town, Div Emergency Med, Cape Town, South Africa
[5] WHO, Violence & Injury Prevent, Dept Management NCDs, Disabil, Geneva, Switzerland