1. Department of Anesthesiology and Critical Care Medicine, and
2. The GeneSTAR Research Program, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, MD;
3. National Heart, Lung, and Blood Institute's (NHLBI) Framingham Heart Study, Framingham, MA;
4. Division of Intramural Research, NHLBI, Bethesda, MD;
5. Department of Neurology, Boston University School of Medicine, Boston, MA;
6. Department of Biostatistics, Boston University School of Public Health, Boston, MA;
7. Royal North Shore Hospital, University of Sydney, Sydney, Australia;
8. Department of Biostatistics, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD;
9. Division of Pediatric Oncology, Johns Hopkins University School of Medicine, Baltimore, MD;
10. Population Genetics, deCODE Genetics, Reykjavik, Iceland;
11. Division of Hematology, Department of Medicine, Thomas Jefferson School of Medicine, Philadelphia, PA; and
12. Cardiology Division, Department of Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA