1. Department of Medicine and
2. Department of Medicine, University of California, San Francisco, San Francisco, California;
3. Department of Medicine, University of California, Los Angeles, Los Angeles, California;
4. Department of Medicine, Albert Einstein College of Medicine, Bronx, New York;
5. Department of Medicine, SUNY Downstate Health Sciences University, New York, New York;
6. Department of Medicine, Georgetown University, Washington, District of Columbia;
7. Department of Medicine, Stroger Hospital of Cook County, Chicago, Illinois;
8. Department of Epidemiology, Johns Hopkins University, Baltimore, Maryland;
9. Department of Medicine, University of North Carolina, Chapel Hill, North Carolina;
10. Department of Medicine, Emory University, Atlanta, Georgia;
11. Department of Medicine, University of Miami, Miami, Florida;
12. Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama;
13. Department of Medicine, Northwestern University, Chicago, Illinois;
14. Department of Medicine, Department of Veterans Affairs Medical Center, Atlanta, Georgia;
15. Department of Medicine, University of Minnesota, Minneapolis, Minnesota; and
16. Department of Medicine, Minneapolis VA Healthcare System, Minneapolis, Minnesota
17. Department of Pathology, University of Pittsburgh, Pittsburgh, Pennsylvania;