1. The Department of Pediatrics, University of North Carolina, Chapel Hill; Moses Cone Health System and Greensboro Area Health Education Center, Greensboro; Department of Pediatrics, University of Arizona, Health Sciences Center, 1501 N. Campbell Ave., PO Box 245073, Tucson, AZ 85724-5073
2. The Guilford School Health Alliance, North Carolina
3. The Guilford County Schools, North Carolina