1. Lewis Katz School of Medicine, Division of Trauma Surgery and Surgical Critical Care, Department of Surgery, Temple University, Philadelphia, Pennsylvania
2. Department of Surgery, School of Medicine and Dentistry, University of Ghana, Accra
3. Department of Surgery, School of Medicine and Health Sciences, University for Development Studies, Tamale, Ghana
4. Trauma Center at Penn, Department of Surgery, University of Pennsylvania, Philadelphia
5. Department of Surgery and Perioperative Sciences, Umeå University, Umeå, Sweden
6. Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden
7. Department of Surgery, University of California, San Francisco
8. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden