1. University of Applied Forest Sciences Rottenburg Germany
2. University of Tübingen, Institute of Evolution and Ecology Tübingen Germany
3. Regierungspräsidium Tübingen Tübingen Germany
4. Umeå University, Department of Ecology and Environmental Sciences Umeå Sweden
5. Department of Zoology, State Museum of Natural History Stuttgart Stuttgart Germany
6. Institute of Biology, University of Hohenheim Stuttgart Germany