1. Terrestrial Ecology Unit, Dept of Biology, Ghent Univ.; Ghent Belgium
2. Dept Wildlife Sciences; Univ. of Göttingen; Göttingen Germany
3. Zoological Research Museum Alexander Koenig; Bonn Germany
4. Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, Univ. of Copenhagen; Copenhagen Denmark
5. Evolutionary Ecology Group, Dept of Biology, Univ. of Antwerp; Antwerp Belgium
6. Dept of Animal Ecology and Systematics; Justus-Liebig-Univ.; Giessen Germany
7. Museo delle Scienze, Sezione Zoologia dei Vertebrati; Trento Italy
8. Fondazione Lombardia per l'Ambiente, Settore Biodiversità e Aree protette; Seveso MB Italy