1. Elephants Without Borders, Kasane, Botswana
2. Department of Environmental Conservation, University of Massachusetts Amherst, Amherst, MA, United States
3. Department of Biosystems Engineering, Forest Resource Management, Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium
4. College of Agriculture and Environmental Sciences, Haramaya University, Dire Dawa, Ethiopia
5. Africa Program, Wildlife Conservation Society, Bronx, NY, USA
6. Scientific Services, South African National Parks, Skukuza, South Africa
7. Faculty of Geo-Information Science and Earth Observation, University of Twente, Enschede, The Netherlands
8. Mahale-Gombe Wildlife Research Centre, Tanzania Wildlife Research Institute, Kigoma, Tanzania
9. Division of Species Conservation & Management, Kenya Wildlife Service, Nairobi, Kenya
10. Air Adventures (Africa) Ltd, Nairobi, Kenya
11. Division of Biodiversity Monitoring and Assessment, South African National Biodiversity Institute, Pretoria, Gauteng, South Africa
12. Amarula Elephant Research Programme, School of Life Sciences, University of Kwa-Zulu-Natal, Durban, South Africa