1. Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia2Department of Medical Ethics and Health Policy, University of Pennsylvania Perelman School of Medicine, Philadelphia3Leonard Davis Institute of Health E
2. HealthCore, Wilmington, Delaware
3. Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia5Division of General Internal Medicine, Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia6Center for Health Equity Research and
4. Department of Radiation Oncology, University of Pennsylvania Perelman School of Medicine, Philadelphia
5. WellPoint Inc, Indianapolis, Indiana
6. Department of Medical Ethics and Health Policy, University of Pennsylvania Perelman School of Medicine, Philadelphia