1. Department of Zoology, University of British Columbia, 4200-6270 University Boulevard, Vancouver, BC, Canada V6T 1Z4
2. Department of Biology, University of Nevada, Reno, NV, USA
3. Department of Biological Sciences, Virginia Tech, Blacksburg, VA, USA
4. Biology Department, Bucknell University, Lewisburg, PA, USA
5. Department of Biology, Queen’s University, Kingston, ON, Canada