1. 1Hutchinson Institute for Cancer Outcomes Research, Fred Hutchinson Cancer Center, Seattle, Washington.
2. 2Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington.
3. 3Center for Health Promotion and Disease Prevention, University of North Carolina, Chapel Hill, North Carolina.
4. 4Department of Health Policy and Management, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina.
5. 5UNC Lineberger Comprehensive Cancer Center, Chapel Hill, North Carolina.
6. 6Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.
7. 7Department of Maternal and Child Health, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, North Carolina.
8. 8Department of Medicine, School of Medicine, University of North Carolina, Chapel Hill, North Carolina.