| Affiliation: | 1. Departments of Genetics and Psychiatry Children's Hospital, Boston, Massachusetts;2. Jonathan D. Picker, Department of Genetics, Children's Hospital, Boston, MA 02115.;3. Charles Lee, Department of Obstetrics and Gynecology, Brigham and Women's Hospital, Boston, MA, 02115.;4. Harvard Medical School, Boston, Massachusetts;5. Cytogenetics Laboratory, London Health Sciences Centre, London, Ontario, Canada;6. Genetics and Teratology, Unit Pediatric Service, Massachusetts General Hospital, Boston, Massachusetts;7. Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts;8. Department of Obstetrics, Gynecology and Reproductive Biology, Brigham and Women's Hospital Boston, Massachusetts |
