1. Jon Kim Andrus ( ) is executive vice president of the Sabin Vaccine Institute, in Washington, D.C.
2. Stephen L. Cochi is a senior adviser in the Global Immunizations Division, Centers for Disease Control and Prevention, in Atlanta, Georgia.
3. Louis Z. Cooper is a professor emeritus in the Department of Pediatrics, Columbia University, in New York City.
4. Jonathan D. Klein is associate executive director of the American Academy of Pediatrics, in Elk Grove Village, Illinois.