1. Department of Preventive Medicine; Northwestern University Feinberg School of Medicine; Chicago; Illinois
2. Medical Genetics Research Institute; Cedars-Sinai, Los Angeles; California
3. Department of Biochemistry; Wake Forest University School of Medicine; Winston-Salem; North Carolina
4. Department of Epidemiology and Prevention; Wake Forest University School of Medicine; Winston-Salem; North Carolina
5. Department of Medicine; University of Virginia; Charlottesville; Virginia
6. Radiology and Imaging Sciences; Clinical Center; National Institutes of Health; National Institute of Biomedical Imaging and Bioengineering; Bethesda; Maryland
7. Department of General Internal Medicine; Johns Hopkins School of Medicine; Baltimore; Maryland
8. Division of Cardiovascular Sciences; NHLBI; Bethesda; Maryland
9. General Medicine Division; Department of Medicine; Harvard Medical School; Boston; Massachusetts
10. Division of Epidemiology and Community Health; University of Minnesota School of Public Health; Minneapolis; Minnesota