1. Department of Geography, University at Buffalo, Buffalo, NY, USA
2. Department of Geography, University of California, Santa Barbara, CA, USA
3. Department of Geography, University of Wisconsin-Madison, Madison, WI, USA
4. School of Economic, Political and Policy Sciences, University of Texas Dallas, Dallas, TX, USA
5. Department of Earth and Atmospheric Sciences, Saint Louis University, Saint Louis, MO, USA
6. Taylor Geospatial Institute, Saint Louis, MO, USA
7. Oak Ridge National Laboratory, Oak Ridge, TN, USA
8. School of Geographical Sciences and Urban Planning, Arizona State University, Tempe, AZ, USA
9. Department of Computer Science and Engineering, University of California, Merced, CA, USA