Department of Neurology (Dr. Bachman), Medical University of South Carolina, Charleston, SC; the Department of Neurology (Drs. Wolf, Linn, and Knoefel), Boston University School of Medicine, and the Department of Mathematics (J.L. Cobb, A.J. Belanger, and Dr. D'Agostino), Boston University, Boston, MA; and the Epidemiology, Demography, and Biometry Program (Dr. White), the National Institute on Aging, Bethesda, MD.(1993-03時点)
