| Affiliation: | 1. Tufts University School of Medicine, Boston, Massachusetts;2. Department of Neurology, Angelman Syndrome Clinic, Massachusetts General Hospital, Boston, Massachusetts;3. Department of Cell Biology and Physiology, Neuroscience Center, and Carolina Institute for Developmental Disabilities, University of North Carolina, Chapel Hill, North Carolina;4. Harvard Medical School,, Boston, Massachusetts;5. Tufts Medical Center, Boston, Massachusetts;6. Department of Gastroenterology, Massachusetts General Hospital, Boston, Massachusetts |
