1. Murray Aitken ( ) is executive director of the IMS Institute for Healthcare Informatics, in Parsippany, New Jersey.
2. Ernst R. Berndt is the Louis B. Seley Professor of Applied Economics in the Alfred P. Sloan School of Management at the Massachusetts Institute of Technology, in Cambridge. He is a research associate at the National Bureau of Economics in Cambridge.
3. David Cutler is the Otto Eckstein Professor of Applied Economics in the Department of Economics at Harvard University, in Cambridge. He is a research associate at the National Bureau of Economics.
4. Michael Kleinrock is director of research development at the IMS Institute for Healthcare Informatics, in Plymouth Meeting, Pennsylvania.
5. Luca Maini is a doctoral student in economics at Harvard University.