1. Division of Biology, Kansas State University, Manhattan, Kansas, USA
2. Biology Department, Tuskegee University, Tuskegee, Alabama, USA
3. Biology Department, Lake Forest College, Lake Forest, Illinois, USA
4. Department of Biology & Chemistry, Liberty University, Lynchburg, Virginia, USA
5. Department of Biology, Georgetown University, Washington, DC, USA
6. Department of Terrestrial Ecology, Norwegian Institute for Nature Research, Trondheim, Norway