1. Department of Ecology, Evolution, and Organismal Biology, Kennesaw State University, USA
2. Department of Geographic and Environmental Sciences, University of Louisville, USA
3. Department of Geography and Planning, Appalachian State University, USA
4. Department of Geosciences, Eastern Washington University, USA
5. Department of Geography and Sustainability, University of Tennessee, USA
6. Department of History and Geography, Georgia Gwinnett College, USA
7. School of Forest Resource and Environmental Science, Michigan Technological University, USA
8. Department of Geology and Geography, West Virginia University, USA