1. Thomas M. Selden () is director of the Division of Research and Modeling, Center for Financing, Access, and Cost Trends, Agency for Healthcare Research and Quality, in Rockville, Maryland.
2. Terceira A. Berdahl is a social science analyst in the Division of Research and Modeling, Center for Financing, Access, and Cost Trends, Agency for Healthcare Research and Quality.
3. Zhengyi Fang is a survey statistician in the Office of the Director, Center for Financing, Access, and Cost Trends, Agency for Healthcare Research and Quality.