1. School of Biological Sciences Life Sciences Building University of Bristol Bristol UK
2. Giraffe Research & Conservation Trust Nairobi Kenya
3. Wild Nature Institute Concord NH USA
4. Mueller Laboratory Department of Biology Pennsylvania State University State College PA USA
5. Wildlife and Grassland Sciences University of the Free State Bloemfontein South Africa
6. Rockwood Conservation Griekwastad South Africa
7. Independent researcher Upwey Vic. Australia
8. Elephant Connection Kavango Zambezi Transfrontier Conservation Area Mwandi Zambia