[1] University of Illinois at Urbana-Champaign,CyberGIS Center for Advanced Digital and Spatial Studies
[2] University of Illinois at Urbana-Champaign,Department of Geography and Geographic Information Science
[3] University of Illinois at Urbana-Champaign,Illinois Informatics Institute
[4] Illinois Department of Public Health,Division of Health Data and Policy
[5] University of Illinois at Chicago,Division of Epidemiology and Biostatistics, School of Public Health