1. Dept of Wildlife, Fish, and Environmental Studies; Swedish Univ. of Agricultural Sciences; Umeå Sweden
2. Dept of Conservation and Research; Bavarian Forest National Park; Grafenau Germany
3. Mammal Research Inst., Polish Academy of Sciences; Białowieża Poland
4. Grimsö Wildlife Research Station, Dept of Ecology; Swedish Univ. of Agricultural Sciences; Riddarhyttan Sweden
5. Dept of Environmental Sciences, Resource Ecology group; Wageningen Univ.; Wageningen the Netherlands
6. Centre for African Conservation Ecology, Dept of Zoology; Nelson Mandela Univ.; Port Elizabeth South Africa