1. Department of Medicine, Vanderbilt University School of Medicine and Vanderbilt University Medical Center, Nashville, Tennessee
2. Department of Health Policy, Vanderbilt University School of Medicine and Vanderbilt University Medical Center, Nashville, Tennessee
3. Vanderbilt University School of Medicine and Vanderbilt University Medical Center, Nashville, Tennessee
4. Department of Health Policy, Vanderbilt University School of Medicine, Nashville, Tennessee
5. Department of Economics, Baylor University, Waco, Texas
6. Division of Health Policy and Management, University of Minnesota School of Public Health, Minneapolis
7. Carey Business School, Bloomberg School of Public Health, Department of Health Policy and Management, Johns Hopkins University, Baltimore, Maryland