1. IUCN National Committee of The Netherlands; Amsterdam; the Netherlands
2. School of Natural Sciences and Psychology, Research Centre for Evolutionary Anthropology and Palaeoecology; Liverpool John Moores University; United Kingdom
3. Institute for Biodiversity and Ecosystem Dynamics; University of Amsterdam; Science Park; Amsterdam the Netherlands
4. Max Planck Institute for Evolutionary Anthropology; Department of Primatology; Leipzig Germany
5. Environment Institute; University of Adelaide; Adelaide Australia
6. Georg-August-Universität Göttingen; Conservation Biology/Workgroup on Endangered Species; Göttingen Germany
7. German Centre for Integrative Biodiversity Research (iDiv); Halle-Jena-Leipzig; Leipzig Germany