1. European Commission - Joint Research Centre; Institute for Environment and Sustainability 21027 Ispra (VA) Italy
2. Center for Geospatial Analysis; College of William & Mary; Williamsburg Virginia 23185
3. Cobblestone Science; Spearfish South Dakota 57783
4. Department of Geographical Sciences; University of Maryland; College Park Maryland 20742
5. Rochester Institute of Technology; Chester F. Carlson Center for Imaging Science; Rochester New York 14623
6. Department of Remote Sensing, Remote Sensing and Biodiversity Research; Institute of Geography; University of Wuerzburg; Oswald Külpe Weg 86 97074 Wuerzburg Germany