1. School for Environment and Sustainability, University of Michigan, Dana Building, 440 Church St., Ann Arbor, MI 48109, USA
2. Geography and GIScience, University of Illinois, 1042 Natural History Building, Urbana, IL 61801, USA
3. College of Natural Resources, University of California-Berkeley, Hilgard Hall, Wickson Rd., Berkeley, CA 94709, USA
4. Museum of Vertebrate Zoology, University of California-Berkeley, Valley Life Sciences Building, 3101 UC Berkeley Rd., Berkeley, CA 94709, USA
5. Department of Biology, Section of Zoology and Marine Biology, National and Kapodistrian University of Athens, Panepistimioupolis, Ilissia, 157-84 Athens, Greece
6. Zoological Museum, National and Kapodistrian University of Athens, Panepistimioupolis, Ilissia, 157-84 Athens, Greece
7. Department of Biology, Section of Animal and Human Physiology, National and Kapodistrian University of Athens, Panepistimioupolis, Ilissia, 157-84 Athens, Greece