1. Department of Neurology and Rehabilitation (F.B., D.P., F.D.T.), University of Illinois at Chicago.
2. Institute for Minority Health Research (J.C., R.D.-A., M.L.D.), University of Illinois at Chicago.
3. Graduate School of Public Health, San Diego State University, CA (G.A.T.).
4. Department of Family and Preventive Medicine, University of California, San Diego, La Jolla (M.A.A.).
5. Collaborative Studies Coordinating Center, University of North Carolina at Chapel Hill (K.M.P., J.C.).
6. Department of Psychology, Behavioral Medicine Research Center, University of Miami, FL (N.S.).
7. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia (M.W.S.).