1. Wendy R. Ellis ( ) is a senior research associate at CSR, a professional and technical consulting firm in Arlington, Virginia.
2. Colleen Huebner is an associate professor of health services at the School of Public Health, University of Washington, in Seattle.
3. Ann Vander Stoep is codirector of the Developmental Pathways Research Program at the Child Health Institute, University of Washington.
4. Michelle A. Williams is the Stephen B. Kay Family Professor of Public Health and chair of the Department of Epidemiology at the Harvard School of Public Health, in Boston, Massachusetts.