1. Department of Neurosciences University of California San Diego La Jolla California USA
2. Department of Psychiatry and Behavioral Sciences Stanford University Stanford California USA
3. Brain and Body Donation Program Banner Sun Health Research Institute Sun City Arizona USA
4. Department of Pediatrics University of California Irvine California USA
5. Department of Pathology & Laboratory Medicine University of California Irvine California USA
6. The Children's Guild Foundation Down Syndrome Research Program, Genetics and Genomics Program Roswell Park Comprehensive Cancer Center Buffalo New York USA