1. 1Section of Hematology, Department of Internal Medicine, Yale University School of Medicine, New Haven, CT;
2. 2Yale Cancer Outcomes, Public Policy and Effectiveness Research (COPPER) Center, New Haven, CT;
3. 3Department of Immunobiology, Yale University School of Medicine, New Haven, CT; and
4. 4Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, CT