1. Department of Biology, University of Nevada–Reno, Reno, NV
2. Department of Ecology and Evolutionary Biology, University of Colorado–Boulder, Boulder, CO
3. Department of Biology, Advanced Inquiry Program, Miami University, Oxford, OH
4. Department of Biology, University of New Mexico, Albuquerque, NM
5. Institute of Arctic and Alpine Research, and Department of Ecology and Evolutionary Biology, University of Colorado–Boulder, Boulder, CO