1. Faculties of Environmental Design and Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada T2N 1N4
2. College of Life Sciences, Peking University, Beijing 100871, People's Republic of China
3. Panthera, New York, NY 10018, USA
4. Wildlife Biology Program, Department of Ecosystem and Conservation Sciences College of Forestry and Conservation, University of Montana, Missoula, MT 59812, USA
5. Montana Fish, Wildlife and Parks, 3201 Spurgin Road, Missoula, MT 59804, USA
6. School of Biology and Environmental Science, University College Dublin, Belfield, Dublin 4, Republic of Ireland
7. School of Environment and Life Sciences, University of Salford, Salford M5 4WT, UK