1. Lawrence P. Casalino ( ) is the Livingston Farrand Professor in the Department of Healthcare Policy and Research at Weill Cornell Medical College, in New York, New York.
2. Michael F. Pesko is an assistant professor in the Department of Healthcare Policy and Research, Weill Cornell Medical College.
3. Andrew M. Ryan is an associate professor in the Department of Healthcare Policy and Research, Weill Cornell Medical College.
4. Jayme L. Mendelsohn worked on this project as a research coordinator in the Department of Healthcare Policy and Research, Weill Cornell Medical College. She is currently a postbaccalaureate premedical student at Bryn Mawr.
5. Kennon R. Copeland is senior vice president and director in the Department of Statistics and Methodology, NORC at the University of Chicago, in Illinois.
6. Patricia Pamela Ramsay is a research specialist at the School of Public Health, University of California, Berkeley.
7. Xuming Sun worked on this project as a research biostatistician in the Department of Healthcare Policy and Research, Weill Cornell Medical College. She is currently working as a statistician in the New York City Department of Health and Mental Hygiene.
8. Diane R. Rittenhouse is an associate professor in the Department of Family and Community Medicine and Center for Excellence in Primary Care, University of California, San Francisco.
9. Stephen M. Shortell is the Blue Cross of California Distinguished Professor of Health Policy and Management at the School of Public Health, University of California, Berkeley.