1. Departments of Pediatrics, Neurological Sciences, Biochemistry, RUSH University Medical Center, Chicago, Illinois.
2. Krause Speech and Language Services, Chicago, Illinois.
3. Illinois College of Optometry, Chicago, Illinois.
4. Institute for Juvenile Research, University of Illinois at Chicago, Chicago, Illinois.
5. Department of Neurological Sciences, RUSH University Medical Center, Chicago, Illinois.
6. MIND Institute and Department of Pediatrics, University of California at Davis, Davis, California.
7. Department of Pediatrics, RUSH University Medical Center, Chicago, Illinois.
8. Cortex Pharmaceuticals, Inc., Irvine, California.