1. Department of Geosciences, University of Arkansas, Fayetteville, AR, USA
2. Department of Geography, University of South Carolina, Columbia, SC, USA
3. Landscape Architecture and Urban Planning, Texas A&M University, College Station, TX, USA
4. Department of Geography, State University of New York at Binghamton, Binghamton, NY, USA
5. Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, SC, USA
6. Department of Health Promotion, Education, and Behavior, University of South Carolina, Columbia, SC, USA