1. Bruce Stuart is the Parke-Davis Chair in Geriatric Pharmacotherapy, Department of Pharmaceutical Health Services Research, School of Pharmacy, at the University of Maryland, Baltimore.
2. J. Samantha Shoemaker is director of policy and research for Pharmaceutical Research and Manufacturers of America, in Washington, D.C.
3. Mingliang Dai ( ) is a doctoral student in gerontology at the University of Maryland, Baltimore County, in Baltimore.
4. Amy J. Davidoff is a senior economist in the Center for Financing, Access, and Cost Trends, Agency for Healthcare Research and Quality, in Rockville, Maryland.