1. State University of New York, College at Oneonta, Oneonta, NY 13820, USA
2. Univ. Bordeaux, CNRS, MC, PACEA, UMR 5199, 33615, Pessac, France
3. Center for the Advanced Study of Human Paleobiology, Department of Anthropology, The George Washington University, Washington, DC 20052, USA
4. Department of Biology, University of Indianapolis, 46227, USA
5. Physical Anthropology Unit, Department of Biodiversity, Ecology, and Evolution, Faculty of Biological Sciences, Complutense University of Madrid, Madrid, Spain
6. Department of Clinical Psychology and Psychobiology, University of Barcelona, Passeig de la Vall d'Hebron 171, 08035 Barcelona, Spain
7. Department of Anthropology, University College London, 14 Taviton St, London WC1H 0BW, UK
8. Department of Anatomy and Developmental Biology, Biomedicine Discovery Institute, Monash University, Clayton, Victoria 3800, Australia
9. Department of Physiological Sciences, University of Florida College of Veterinary Medicine, Gainesville, FL, USA
10. Department of Basic Medical Sciences, University of Arizona College of Medicine-Phoenix, Phoenix 85004, USA
11. Department of Small Animal Clinical Sciences, Virginia-Maryland College of Veterinary Medicine, Virginia Tech, Blacksburg, VA 24061, USA
12. Department of Tourism and Conservation, Rwanda Development Board, Kigali, Rwanda
13. The Dian Fossey Gorilla Fund International, Atlanta, GA 30315, USA
14. Gorilla Doctors (MGVP, Inc.), Karen C. Drayer Wildlife Health Center, University of California Davis, Davis, CA 95616, USA
15. Institut Congolais pour la Conservation de la Nature, Virunga National Park, Rumangabo, Democratic Republic of Congo
16. Department of African Zoology, Royal Museum for Central Africa, Tervuren, Belgium
17. Laboratory of Histology and Neuropathology, Université Libre de Bruxelles, Brussels, Belgium
18. Department of Anthropology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1
19. Human Origins Program, National Museum of Natural History, Smithsonian Institution, Washington, DC 20013, USA
20. Australian Research Council Centre of Excellence for Australian Biodiversity and Heritage, University of Wollongong, Wollongong, New South Wales 2522, Australia