1. Zoological Pathology Program; College of Veterinary Medicine; University of Illinois; Brookfield Illinois
2. Department of Psychology; Franklin and Marshall College; Lancaster Pennsylvania
3. Gombe National Park; Tanzania National Parks; Kigoma Tanzania
4. Gombe Stream Research Center; Jane Goodall Institute; Kigoma Tanzania
5. Departments of Medicine and Microbiology; Perelman School of Medicine; University of Pennsylvania; Philadelphia Pennsylvania
6. Department of Veterinary Population Medicine; College of Veterinary Medicine; University of Minnesota; St. Paul Minnesota
7. Department of Environmental Sciences and Program in Population Biology; Ecology and Evolution; Emory University; Atlanta Georgia
8. Department of Environmental Health; Rollins School of Public Health; Emory University; Atlanta Georgia