1. From the Department of Sociology (D.F.W., M. Szaflarski), University of Alabama at Birmingham; Center for Family & Demographic Research (D.F.W.), Bowling Green State University; Department of Population and Quantitative Health Sciences (H.L.F., L.V., W.P.B., S.K.), Frances Payne Bolton School of Nursing (N.K.S.), and Departments of Psychiatry and Neurology (M. Sajatovic), Case Western Reserve University, Cleveland, OH; and Department of Neurology (G.G.), University of Iowa Health Center, Iowa City.