1. Antwerp Zoo Centre for Research and Conservation, Royal Zoological Society of Antwerp; Belgium
2. Max Planck Institute for Evolutionary Anthropology; Leipzig Germany
3. Terrestrial Ecology Department; University of Gent; Belgium
4. School of Natural Sciences and Psychology; University of Liverpool; Liverpool United Kingdom
5. Department of Anthropology; Yale University; New Haven Connecticut
6. University Medical Center; University of Leipzig; Leipzig Germany
7. Wildlife Conservation Society (WCS); New York
8. WWF Kudu Zombo Programme; Yaoundé Cameroon, Africa
9. Chimbo Foundation; Amsterdam The Netherlands
10. School of Biological Sciences; Royal Holloway University of London; Egham United Kingdom
11. Faculty of Forestry; University of Toronto; Toronto Canada
12. Pennsylvania State University (USA), Tanzania Program, c/o Udzungwa Mountains National Park; Kilombero Tanzania
13. School of Human Evolution and Social Change; Arizona State University; Tempe Arizona
14. Wild Chimpanzee Foundation (WCF); Abidjan Côte d'Ivoire, Africa
15. Comoé Chimpanzee Conservation Project, Comoé Research Station, Animal Ecology and Tropical Biology; Biozentrum, Universität Würzburg Tierökologie und Tropenbiologie (Zoologie III); Würzburg Germany
16. Nicholas School of the Environment; Duke University; Durham
17. School of Natural Sciences and Psychology Liverpool John Moores University; Liverpool United Kingdom
18. Korup Rainforest Conservation Society; Mundemba Cameroon, Africa
19. Department of Anthropology; University College London; London United Kingdom
20. KfW Biodiversity Conservation and Sustainable Forest Management Program for GFA Consulting Group; Kinshasa Democratic Republic of the Congo, Africa
21. German Centre for Integrative Biodiversity Research (iDiv); Leipzig Germany
22. Taï Chimpanzee Project, Centre Suisse des Recherche Scientifique; Abidjan Côte d'Ivoire, Africa
23. Université de Neuchâtel, Institut de Biologie; Neuchâtel Switzerland