1. Nocturnal Primate Research Group; Oxford Brookes University; Oxford United Kingdom
2. Little Fireface Project, Rumah Hijau, Cipaganti; Garut Indonesia
3. Manchester Metropolitan University; Manchester United Kingdom
4. Eastern Africa Primate Diversity and Conservation Program; Nanyuki Kenya
5. Borneo Nature Foundation; Palangka Raya Indonesia
6. Primate Research Centre NE India; Guwahati Assam India
7. Department of Zoology; B.H. College, Gauhati University; Howly Assam India
8. Institute of Cognitive and Evolutionary Anthropology, School of Anthropology and Museum Ethnography, University of Oxford; Oxford United Kingdom
9. Faculty of Science and Engineering, School of Science; University of Wolverhampton; Wolverhampton United Kingdom
10. Department of Life Sciences; The Natural History Museum; London United Kingdom
11. Tanzania Forest Conservation Group; Dar es Salaam Tanzania
12. Department of Natural and Social Sciences; University of Gloucestershire; Cheltenham United Kingdom
13. Instituto de Neuroetologia, Universidad Veracruzana; Xalapa Mexico
14. Organisms and Environment Division, Cardiff School of Biosciences; Cardiff University; Cardiff United Kingdom
15. Danau Girang Field Centre; c/o Sabah Wildlife Department; Sabah Malaysia
16. Northern Gulf Resource Management Group; Georgetown Queensland Australia