1. Section of General Internal Medicine, Department of Internal Medicine, Yale School of Medicine; and Cancer Outcomes, Public Policy, and Effectiveness Research (COPPER) Center, Yale Cancer Center and Yale School of Medicine, New Haven, Connecticut (I.B.R., J.B.L., P.R.S., C.P.G.)
2. Cancer Outcomes, Public Policy, and Effectiveness Research (COPPER) Center, Yale Cancer Center and Yale School of Medicine; and Yale School of Public Health, New Haven, Connecticut (S.-Y.W.).