1. Center for Child and Adolescent Health Research and Policy,
2. AAP Richmond Center of Excellence, and
3. Tobacco Research and Treatment Center, and
4. General Medicine Division, Massachusetts General Hospital, Boston, Massachusetts;
5. Pediatric Research in Office Settings, American Academy of Pediatrics, Elk Grove Village, Illinois;
6. Department of Pediatrics, University of Vermont, Burlington, Vermont;
7. Department of Public Health Sciences, University of Rochester Medical Center, Rochester, New York; and
8. Department of Pediatrics, University of California Los Angeles, Los Angeles, California