1. Texas Center for Geographic Information Science, Department of Geography and Environmental Studies, Texas State University, San Marcos, Texas
2. Cancer Prevention and Control Program, LiveStrong Cancer Institutes, Dell Medical School, University of Texas at Austin
3. Department of Population Health, Dell Medical School, University of Texas at Austin
4. Department of Internal Medicine, Dell Medical School, University of Texas at Austin
5. University of Texas at Austin, LBJ School of Public Affairs, Austin, Texas
6. Texas Association of Community Health Centers, Austin, Texas