1. Bruce Stuart ( ) is a professor in the Department of Pharmaceutical Health Services Research, University of Maryland Baltimore.
2. F. Ellen Loh is a graduate research assistant in the Department of Pharmaceutical Health Services Research, University of Maryland Baltimore.
3. Pamela Roberto is senior director at Pharmaceutical Research and Manufacturers of America (PhRMA), in Washington, D.C.
4. Laura M. Miller is a senior economist at the National Association of Chain Drug Stores, in Alexandria, Virginia.