1. Dorothy M. Davis Heart and Lung Research Institute (J.R.C., L.S., D.D.K., P.A., E.J., R.E.H.), Department of Internal Medicine, The Ohio State University College of Medicine, Columbus.
2. Division of Human Genetics (J.R.C., L.S., D.D.K., P.A., E.J., R.E.H.), Department of Internal Medicine, The Ohio State University College of Medicine, Columbus.
3. Department of Chemistry and Biochemistry, James Madison University, Harrisonburg, VA (N.T.W.).
4. Department of Pediatrics (M.J.B.), University of Washington, Seattle.
5. Department of Genome Sciences (D.A.N.), University of Washington, Seattle.
6. Division of Cardiovascular Medicine (R.E.H.), Department of Internal Medicine, The Ohio State University College of Medicine, Columbus.