1. Departments of Environmental Health Sciences (K.Z.), University at Albany, State University of New York, Rensselaer and Albany, NY.
2. Division of Cardiovascular Diseases, Department of Internal Medicine, Wayne State University, Detroit, MI (R.D.B.).
3. Sociology (Y.L.), University at Albany, State University of New York, Rensselaer and Albany, NY.
4. Cardiovascular Research Institute, University Hospitals Harrington Heart and Vascular Institute, Case Western Reserve University School of Medicine, Cleveland, OH (S.R.).
5. Division of Cardiovascular Medicine, Department of Medicine (J.B.K.), Stanford University, Stanford, CA.
6. Stanford Cardiovascular Institute (J.B.K.), Stanford University, Stanford, CA.