1. Department of Biological Sciences, Marquette University, Milwaukee, Wisconsin, USA
2. Department of Zoology, Milwaukee Public Museum, Milwaukee, Wisconsin, USA
3. Department of Biology, Evolutionary Ecology Laboratories, Monte L. Bean Museum, Brigham Young University, Provo, Utah, USA
4. School of Earth Sciences, Byrd Polar and Climate Research Center, The Ohio State University, Columbus, Ohio, USA
5. Department of Ecology and Evolutionary Biology, Cooperative Institute for Research in Environmental Sciences, University of Colorado at Boulder, Boulder, Colorado, USA
6. Department of Biology, Colorado State University, Fort Collins, Colorado, USA
7. Canadian High Arctic Research Station, Polar Knowledge Canada, Cambridge Bay, Nunavut, Canada
8. School of Science, University of Waikato, Hamilton, New Zealand
9. School of Global Environmental Sustainability, Colorado State University, Fort Collins, Colorado, USA