1. Department of Radiology, Washington University School of Medicine , 660 South Euclid Avenue, St. Louis, MO 63110 , United States
2. Department of Genetics, Washington University School of Medicine , 660 South Euclid Avenue, St. Louis, MO 63110 , United States
3. Department of Psychiatry, Washington University School of Medicine , 660 South Euclid Avenue, St. Louis, MO 63110 , United States
4. Intellectual and Developmental Disabilities Research Center, 660 South Euclid Avenue, Washington University School of Medicine , St. Louis, MO 63110 , United States
5. Department of Physics, Washington University School of Arts and Sciences , 1 Brookings Drive, St. Louis, MO 63130 , United States
6. Department of Biomedical Engineering, Washington University School of Engineering , 1 Brookings Drive, St. Louis, MO 63130 , United States