1. Social Science Research Center, Mississippi State University, Starkville, Mississippi
2. Tobacco Consortium of the American Academy of Pediatrics’ Center for Child Health Research, Rochester, New York
3. Center for Child and Adolescent Health Policy, MassGeneral Hospital for Children, Boston, Massachusetts
4. Massachusetts General Hospital Tobacco Research and Treatment Center, Boston, Massachusetts
5. American Academy of Pediatrics Center for Child Health Research and Strong Children’s Research Center, University of Rochester, Rochester, New York