1. Lineberger Comprehensive Cancer Center, The University of North Carolina at Chapel Hill , Chapel Hill, NC , USA
2. Gillings School of Global Public Health, Maternal and Child Health Department, The University of North Carolina at Chapel Hill , Chapel Hill, NC , USA
3. Hutchinson Institute for Cancer Outcomes Research, Fred Hutchinson Cancer Center , Seattle, WA , USA
4. Center for Health Promotion and Disease Prevention, The University of North Carolina at Chapel Hill , Chapel Hill, NC , USA
5. Gillings School of Global Public Health, Health Policy and Management Department, The University of North Carolina at Chapel Hill , Chapel Hill, NC , USA
6. Department of Social Sciences and Health Policy, Wake Forest University School of Medicine , Winston-Salem, NC , USA
7. Office of Community Outreach and Engagement, Fred Hutchinson Cancer Center , Seattle, WA , USA
8. Division of Gastroenterology, University of Washington School of Medicine , Seattle, WA , USA
9. Division of Public Health Sciences, Fred Hutchinson Cancer Center , Seattle, WA , USA
10. Division of General Medicine and Clinical Epidemiology, The University of North Carolina School of Medicine , Chapel Hill, NC , USA