1. Department of Kinesiology and Community Health, University of Illinois at Urbana-Champaign, Champaign, Illinois
2. Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, Colorado
3. Institute for the Built Environment, Colorado State University, Fort Collins, Colorado
4. Institute for Research in the Social Sciences, Colorado State University, Fort Collins, Colorado
5. Department of Sociology, Colorado State University, Fort Collins, Colorado
6. Manager, Energy and Sustainability, Metropolitan Denver, Colorado
7. Department of Epidemiology, Colorado School of Public Health, Aurora, Colorado