Fred Wulczyn is a research fellow at Chapin Hall Center for Children at the University of Chicago. Richard Barth is the Frank A. Daniels Distinguished Professor, School of Social Work, University of North Carolina. Ying-Ying T. Yuan is senior vice president at Walter R. McDonald & Associates, Inc. Brenda Jones Harden is associate professor at the Institute for Child Study at the University of Maryland. John Landsverk is director of the NIMH-funded Child and Adolescent Services Research Center at Children's Hospital, San Diego.