1. Departamento de Ciencias Biológicas, Laboratorio de Biología Evolutiva de Vertebrados, Universidad de los Andes, Apartado 4976 Bogotá, Colombia
2. Bell Museum of Natural History and Department of Fisheries, Wildlife, and Conservation Biology, University of Minnesota, St Paul, MN 55108, USA
3. Department of Ecology and Evolution, Stony Brook University, Stony Brook, NY 11794-5245, USA
4. Department of Ecology and Evolutionary Biology and CU Museum of Natural History, University of Colorado, Boulder, CO 80309, USA
5. Museum of Vertebrate Zoology and Department of Integrative Biology, University of California-Berkeley, Berkeley, CA 94720-3160, USA
6. Department of Biology, City College and City University of New York, New York, NY 10031, USA
7. Department of Biology, Center for Macroecology, Evolution, and Climate, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark
8. National Evolutionary Synthesis Center, 2024 West Main Street, Suite A200, Durham, NC 27705-4667, USA
9. Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, TN 37996, USA
10. Department of Biology, Boston University, Boston, MA 02215, USA
11. Centre for Tropical Biology and Climate Change Research, School of Marine and Tropical Biology, James Cook University, Townsville, Queensland 4811, Australia
12. Department of Ecology and Evolutionary Biology, Cornell University, E145 Corson Hall, Ithaca, NY 14853-2701, USA