1. Centre for Ecology & Conservation, College of Life & Environmental Sciences; University of Exeter; Penryn Campus, Penryn, Cornwall, TR10 9FE U.K.
2. Centre of Excellence in Biological Interactions, Department of Biological and Environmental Science; University of Jyväskylä; Jyväskylä, 40014 Finland
3. Department of Chemical Ecology; Bielefeld University; Universitätsstraße 25, 33615, Bielefeld Germany
4. Organismal and Evolutionary Biology Research Programme, Faculty of Biological and Environmental Sciences; University of Helsinki; Helsinki, 00014 Finland
5. Department of Biology; Colorado State University; Fort Collins CO 80525 U.S.A.
6. Department of Fish, Wildlife, and Conservation Biology; Colorado State University; Fort Collins CO 80525 U.S.A.
7. Department of Biological Sciences; California State University; Long Beach CA 90840 U.S.A.
8. Department of Biology; East Carolina University; 1000 E Fifth St, Greenville NC 27858 U.S.A.