1. Children's Seashore House, Department of Psychology; The Children's Hospital of Philadelphia and University of Pennsylvania U.S.A.
2. Division of Child Development and Rehabilitation Medicine; Hospital of The University of Pennsylvania U.S.A.
3. Division of Oncology; Hospital of The University of Pennsylvania U.S.A.
4. Division of Pediatric Neurosurgery, and Neurology; Hospital of The University of Pennsylvania U.S.A.
5. Department of Radiation Therapy; 3405 Civic Center Boulevard Philadelphia PA 19104-4388 U.S.A.