1. Veterans Affairs Medical Center, Philadelphia, Pennsylvania
2. Division of General Internal Medicine, University of Pennsylvania School of Medicine, Philadelphia
3. Leonard Davis Institute of Health Economics, University of Pennsylvania
4. Center for Bioethics, University of Pennsylvania School of Medicine
5. Department of Operations and Information Management, The Wharton School, University of Pennsylvania
6. Department of Health Care Systems, The Wharton School, University of Pennsylvania
7. Simon School of Business, University of Rochester
8. Department of Obstetrics and Gynecology, University of Pennsylvania School of Medicine
9. Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine