1. Tanzania Wildlife Research Institute; PO Box 661 Arusha Tanzania
2. Department of Zoology and Wildlife Conservation; University of Dar es Salaam; PO Box 35064 Dar es Salaam Tanzania
3. Department of Integrative Biology, University of Guelph; 50 Stone Road East Guelph, ON N1G 2W1 Canada
4. Wilderness & Wildlife Conservation Trust; No. 130, Reid Avenue, Colombo 04 Sri Lanka
5. Boyd Orr Centre for Population and Ecosystem Health; University of Glasgow; University Avenue Glasgow G12 8QQ U.K
6. Center for Biodiversity Research; University of British Columbia; 6270 University Boulevard Vancouver BC V6TIZ4 Canada