1. Program in Neurogenetics, Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA 90095, USA.
2. Center for Autism Research and Treatment and Center for Neurobehavioral Genetics, Jane and Terry Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA 90095, USA.
3. Center for Neurobehavioral Genetics, Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA 90095, USA.
4. Department of Molecular Cell Biology, Weizmann Institute of Science, Rehovot 76100, Israel.
5. Department of Psychiatry and Biobehavioral Sciences, Jane and Terry Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA 90095, USA.
6. Integrative Center for Learning and Memory, University of California, Los Angeles, Los Angeles, CA 90095, USA.
7. West Los Angeles VA Medical Center, Los Angeles, CA 90073, USA.