1. Department of Health Management and Policy, College of Public Health University of Iowa Iowa City Iowa USA
2. Public Health Sciences, Fred Hutchinson Cancer Research Center Seattle WA USA
3. Department of Community and Behavioral Health, College of Public Health University of Iowa Iowa City Iowa USA
4. Department of Epidemiology and Biostatistics University of South Carolina Columbia South Carolina USA
5. Health Communication and Informatics Research Branch National Cancer Institute Bethesda Maryland USA
6. Department of Internal Medicine University of Colorado Denver Colorado USA
7. Health Promotion Sciences Department, Mel & Enid Zuckerman College of Public Health University of Arizona Tucson Arizona USA
8. School of Nursing University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
9. College of Nursing University of Kentucky Lexington Kentucky USA