1. National Museum of Natural Sciences, Spanish National Research Council (CSIC), 28006 Madrid, Spain.
2. Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, DK-2100 Copenhagen, Denmark.
3. Rui Nabeiro Biodiversity Chair, University of Évora, 7000 Évora, Portugal.
4. Department of Biology, City College of New York, New York, NY 10031, USA.
5. Program in Biology, Graduate Center, City University of New York, New York, NY 10016, USA.
6. Division of Vertebrate Zoology, American Museum of Natural History, New York, NY 10024, USA.
7. Department of Biology, University of York, York YO19 5PR, UK.
8. Biometry and Environmental System Analysis, University of Freiburg, D-79106 Freiburg, Germany.
9. Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall TR10 9FE, UK.
10. Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Matieland 7602, South Africa.
11. Centre for Statistics in Ecology, Environment and Conservation (SEEC), University of Cape Town, Private Bag, Rondebosch, 7701 Cape Town, South Africa.
12. Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland.
13. Institute of Earth Surface Dynamics, University of Lausanne, Lausanne, Switzerland.
14. Department of Biology and Biotechnologies Charles Darwin, University of Rome La Sapienza, Rome, Italy.
15. Department of Integrative Marine Ecology, Stazione Zoologica Anton Dohrn, Naples, Italy.
16. Senckenberg Biodiversity and Climate Research Centre, Senckenberganlage 25, 60325 Frankfurt, Germany.
17. Landscape Dynamics, Swiss Federal Research Institute WSL, Birmensdorf, Switzerland.
18. Department of Mathematical Sciences and Centre for Biodiversity Dynamics, NTNU, 7491 Trondheim, Norway.
19. Environmental Systems Science, Swiss Federal Institute of Technology ETH, Zürich, Switzerland.
20. Department of Life Sciences, Imperial College London, Silwood Park, Ascot SL5 7PY, UK.