1. Department of Kinesiology and Public Health, California Polytechnic State University, San Luis Obispo, CA
2. Department of Community, Environment, and Policy, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ
3. Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, University of Arizona, Tucson, AZ
4. Office of the Vice Chancellor for Health Affairs, University of Illinois at Chicago, Chicago, IL