1. Department of Animal Ecology, Evolutionary Biology Centre; Uppsala University; Uppsala Sweden
2. MEMEG, Molecular Ecology and Evolution Group, Department of Biology; Lund University; Lund Sweden
3. Institute of Environmental Sciences; Jagiellonian University; Kraków Poland
4. Faculty of Biology; M.V. Lomonosov Moscow State University; Moscow Russia
5. Department of Zoology and Laboratory of Ornithology, Faculty of Science; Palacky University; Olomouc Czech Republic
6. Natural Resources Institute Finland (Luke); Turku Finland
7. Section of Ecology, Department of Biology; University of Turku; Turku Finland
8. Departamento de Ecologia Evolutiva; Museo Nacional de Ciencias Naturales (CSIC); Madrid Spain
9. Department of Zoology, Faculty of Science; Charles University; Prague Czech Republic
10. School of Biosciences; Cardiff University; Cardiff UK
11. Department of Systematic Zoology and Ecology; Eötvös Loránd University; Budapest Hungary
12. Department of Animal Ecology; Netherlands Institute of Ecology (NIOO-KNAW); Wageningen The Netherlands