1. Department of Environmental Science Institute for Wetland and Water Research Faculty of Science Radboud University Nijmegen The Netherlands
2. Department of Biology and Biotechnologies “Charles Darwin” “La Sapienza” University of Rome Rome Italy
3. Organismic and Evolutionary Biology Department Harvard University Cambridge MA USA
4. Department of Biodiversity and Molecular Ecology Research and Innovation Centre Fondazione Edmund Mach Trento Italy
5. Integrative Ecology Group Estación Biológica de Doñana (EBD‐CSIC) Sevilla Spain
6. Department for Forestry and Renewable Forest Resources Biotechnical Faculty University of Ljubljana Ljubljana Slovenia
7. Research Unit of Biodiversity (UO/CSIC/PA) University of Oviedo Mieres Spain
8. Institute of Nature Conservation Polish Academy of Sciences Kraków Poland
9. Grimsö Wildlife Research Station Department of Ecology Swedish University of Agricultural Sciences Uppsala Sweden
10. Faculty of Biology University of Belgrade Belgrade Serbia
11. LUPUS – German Institute for Wolf Monitoring and Research Spreewitz Germany
12. Slovenia Forest Service Ljubljana Slovenia
13. Callisto – Wildlife and Nature Conservation Society Thessaloniki Greece
14. Forest and Wildlife Service Provincia di Trento Italy
15. Faculty of Sciences University of Banja Luka Banja Luka Bosnia and Herzegovina
16. Faculty of Ecology Independent University of Banja Luka Banja Luka Bosnia and Herzegovina
17. Swedish Environmental Protection Agency Stockholm Sweden
18. Tatra National Park Zakopane Poland
19. Institute of Research on Terrestrial Ecosystems National Research Council Montelibretti Italy