1. Department of Biological Sciences, Idaho State University, 921 South 8th Avenue, Stop 8007, Pocatello, ID 83209, USA
2. Department of Biology, Scottish Oceans Institute, University of St Andrews, East Sands, St Andrews, Fife KY16 8LB, UK
3. Minnesota Department of Natural Resources, 5463-C West Broadway, Forest Lake, MN 55434, USA
4. Department of Zoology, North Carolina State University, Raleigh, NC 27695, USA
5. Edmund Mach Foundation, Research and Innovation Centre, via Mach 1, 38010 S, Michele all'Adige, Trento, Italy
6. Montana Cooperative Wildlife Research Unit, University of Montana, 205 Natural Sciences Building, Missoula, MT 59812, USA
7. UMR CNRS 5558—LBBE, Biométrie et Biologie Évolutive, UCB Lyon 1 - Bât. Grégor Mendel, 43 bd du 11 novembre 1918, 69622 Villeurbanne cedex, France
8. Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, USA