1. Department of Radiology and Medical Imaging, Cincinnati Children's Hospital Medical Center, 3333 Burnet Ave, Cincinnati, OH 45229-3026.
2. Department of Radiology, University of Cincinnati College of Medicine, Cincinnati, OH.
3. Department of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH.
4. Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH.
5. Department of Speech Pathology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH.
6. Department of Communication Sciences and Disorders, University of Cincinnati College of Medicine, Cincinnati, OH.
7. Department of Radiology, Arkansas Children's Hospital, Little Rock, AR.
8. Department of Pediatrics, Arkansas Children's Hospital, Little Rock, AR.
9. Department of Radiology, University of North Carolina, Chapel Hill, NC.
10. Department of Psychiatry and Behavioral Sciences, Arkansas Children's Hospital, Little Rock, AR.
11. Department of Psychiatry, University of North Carolina, Chapel Hill, NC.
12. Departments of Medicine and Radiology, Boston Children's Hospital, Boston, MA.
13. Perinatal Institute, Division of Neonatalogy, Cincinnati Children's Hospital Medical Center, Cincinnati, OH.