1. Department of Family Medicine & Community Health, Case Western Reserve University, Cleveland Ohio
2. Department of Epidemiology & Biostatistics, Case Western Reserve University, Cleveland Ohio
3. Prevention Research Center for Healthy Neighborhoods, Case Western Reserve University, Cleveland Ohio
4. Case Comprehensive Cancer Center, Cleveland, Ohio
5. Division of General Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, Iowa; Holden Comprehensive Cancer Center, University of Iowa, Iowa City, Iowa
6. South Carolina Rural Health Research Center, University of South Carolina, Columbia, South Carolina; Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina; Cancer Prevention and Control Program, University of South Carolina, Columbia, South Carolina
7. University of Washington, School of Public Health, Seattle, Washington.