1. Laura M. Keohane () is an assistant professor in the Department of Health Policy, Vanderbilt University School of Medicine, in Nashville, Tennessee.
2. David G. Stevenson is an associate professor in the Department of Health Policy, Vanderbilt University School of Medicine, in Nashville.
3. Salama Freed was a research assistant in the Department of Health Policy, Vanderbilt University School of Medicine, at the time this study was completed. She is a postdoctoral fellow in the Leonard Davis Institute of Health Economics at the University of Pennsylvania, in Philadelphia.
4. Sunita Thapa is a health policy analyst in the Department of Health Policy, Vanderbilt University School of Medicine.
5. Lucas Stewart is a health policy analyst in the Department of Health Policy, Vanderbilt University School of Medicine.
6. Melinda B. Buntin is the Mike Curb Professor of Health Policy and chair of the Department of Health Policy, Vanderbilt University School of Medicine.