1. From the Departments of Neurology (S.G., M.E.E.), Psychiatry (S.G.), Pediatrics (M.E.E.), and Genetics and Genomic Sciences (M.E.E.), and the Alzheimer’s Disease Research Center (S.G.), Icahn School of Medicine at Mount Sinai, New York, and James J. Peters Department of Veterans Affairs Medical Center, Bronx (S.G.) — both in New York.