1. Imaging Genetics Center, Keck School of Medicine, USC, Marina del Rey, California.
2. Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, UCLA, Los Angeles, California.
3. Harbor-UCLA Medical Center and Los Angeles BioMedical Research Institute, Department of Pediatrics, Torrance, California.
4. Miller Children's Hospital, Long Beach, California.
5. LAC+USC Medical Center, Department of Pediatrics, Los Angeles, California.
6. UCLA Brain Injury Research Center, Dept of Neurosurgery and Division of Pediatric Neurology, Mattel Children's Hospital, Los Angeles, California.
7. Departments of Neurology, Pediatrics, Psychiatry, Radiology, Engineering, and Ophthalmology, USC, Marina del Rey, California.
8. Department of Psychology, UCLA, Los Angeles, California.