1. Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, NY (I.A.N., K.S., S.E.T., O.A.W., M.S.V.E.).
2. Department of Biostatistics, Mailman School of Public Health, Columbia University, NY (Y.K.C.).
3. NewYork-Presbyterian Hospital, NY (H.L., K.S.).
4. Columbia University School of Nursing, NY (S.F., A.A.).
5. Department of Epidemiology, Mailman School of Public Health, Columbia University, NY (S.E.T., M.S.V.E.).
6. Center for Behavioral Cardiovascular Health, Columbia University Irving Medical Center, NY (I.M.K.).