1. Christine Buttorff ( ) is an associate policy researcher at the RAND Corporation in Arlington, Virginia.
2. Martin S. Andersen is an assistant professor in the Department of Economics at the University of North Carolina at Greensboro.
3. Kevin R. Riggs is a fellow in the Division of General Internal Medicine, Johns Hopkins University School of Medicine, in Baltimore, Maryland.
4. G. Caleb Alexander is an associate professor in the Department of Epidemiology at the Johns Hopkins Bloomberg School of Public Health and codirector of the school’s Center for Drug Safety and Effectiveness.