1. Department of Surgery, School of Medical Sciences, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
2. Komfo Anokye Teaching Hospital, Kumasi, Ghana
3. Department of Surgery, University of Washington, Washington, USA
4. School of Public Health, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
5. Department of Global Health, University of Washington, Washington, USA
6. Harborview Injury Prevention and Research Center, Seattle, Washington, USA
7. Department of Surgery, Columbia University College of Physicians and Surgeons, New York, USA
8. Department of Surgery, Bouake Teaching Hospital, and Department of Thoracic and Cardiovascular Diseases, University of Bouake, Bouake, Ivory Coast