1. Department of Epidemiology and Biostatistics, Zuckerman College of Public Health, University of Arizona, Tucson
2. Department of Community, Environment and Policy, University of Arizona, Tucson
3. Department of Family and Community Medicine, University of Arizona, Tucson
4. Department of Health Promotion Sciences, University of Arizona, Tucson
5. US Centers for Disease Control and Prevention, Atlanta, Georgia
6. Arizona Department of Health Services, Phoenix
7. Marshfield Laboratories, Marshfield, Wisconsin