1. Department of Landscape Architecture & Urban Planning, Texas A&M University, College Station, TX, USA
2. Department of Geography, San Diego State University, San Diego, CA, USA
3. Institute of Geoecology and Geoinformation, Adam Mickiewicz University in Poznan, Poznan, Poland
4. School of Public and International Affairs, Virginia Tech, Blacksburg, VA, USA
5. Department of Geography, University of Georgia, Athens, GA, USA