1. From the Northern Pacific Global Health Fogarty International Program (Noble)
2. Sociedad de Cirujanos Generales del Perú, Lima, Perú (Ordoñez, Ortega Checa)
3. Medical School (Zavala Wong), Universidad Peruana Cayetano Heredia, Lima, Perú
4. Department of Surgery (Rodriguez), Universidad Peruana Cayetano Heredia, Lima, Perú
5. Department of Surgery, Hospital Rebagliati, Lima, Perú (Ortega Checa)
6. Department of Surgery, University of Colorado Health, Medical Center of the Rockies, Loveland, CO (Warne, LaGrone)
7. Department of Health Services (Senturia), University of Washington, Seattle, WA
8. University of Colorado Anschutz Medical Campus, Aurora, CO (Jin, Peterson).