1. Department of Emergency Medicine, Alpert Medical School of Brown University, Providence, United States
2. Geisel School of Medicine at Dartmouth, Hanover, New Hampshire, United States
3. Department of Surgery, University of Washington, Seattle, United States
4. Department of Research & Programs, Kenyatta National Hospital, Nairobi, Kenya
5. Department of Emergency Medicine, Alpert Medical School of Brown University, Providence, RI, United States
6. Epidemiology and hMedicine, University of Washington, Seattle, United States