1. From the Departments of Psychiatry,
2. Veterans Affairs Medical Center, Iowa City, Iowa; and
3. Birth Defects Genetics Center, Departments of Obstetrics and Gynecology and Pediatrics, University of South Dakota School of Medicine, Vermillion;
4. Pediatrics, and
5. Radiology, University of Iowa Hospitals and Clinics, College of Medicine, Iowa City;
6. Child Psychiatry Branch, National Institute of Mental Health, Bethesda, Maryland.