1. Irene M. Johannsen, Faculty of Information Management and Media, Karlsruhe University of Applied Sciences, Karlsruhe, Germany
2. Department of Geography, Minnesota State University, Mankato, MN, USA
3. Karla A. Lassonde, Psychology Department, Minnesota State University, Mankato, MN, USA
4. Forrest Wilkerson, Department of Geography, Minnesota State University, Mankato, MN, USA
5. Gertrud Schaab, Faculty of Information Management and Media, Karlsruhe University of Applied Sciences, Karlsruhe, Germany