1. Department of Global Health, University of Washington, Seattle2Department of Surgery, Mount Sinai Hospital, New York, New York
2. Department of Anthropology, University of Washington, Seattle
3. Department of Medicine, University of Washington, Seattle5Hospital and Specialty Medicine, Veterans Affairs Puget Sound Health Care System, Seattle, Washington
4. Department of Surgery, Instituto Regional de Enfermedades Neoplásicas del Norte, Trujillo, Peru
5. Department of Epidemiology and Statistics, Instituto Regional de Enfermedades Neoplásicas del Norte, Trujillo, Peru
6. Department of Global Health, University of Washington, Seattle
7. Department of Global Health, University of Washington, Seattle8Department of Surgery, University of Washington, Seattle9Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, Washington