1. Department of Organismal Biology and Ecology, Colorado College, Colorado Springs, CO, USA
2. Department of Mathematics and Computer Science, Colorado College, Colorado Springs, CO, USA
3. Department of Biological Sciences, Florida International University, Miami, FL, USA
4. Department of Biology and Environmental Science, Marietta College, Marietta, OH, USA
5. Department of Ecoscience and Arctic Research Centre, Aarhus University, Aarhus, Denmark