| Institution: | 1. Division of Cardiovascular Disease, University of Alabama at Birmingham, Birmingham, Alabama;2. Department of Internal Medicine, University of Nevada, Reno School of Medicine, Reno, Nevada;3. Division of Cardiovascular Medicine and Department of Radiology, Brigham and Women''s Hospital and Harvard Medical School, Boston, Massachusetts;4. Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota;5. Division of Anesthesia and Critical Care, Pulmonary Medicine, Massachusetts General Hospital, Boston, Massachusetts;6. Section of Cardiology, Birmingham Veterans Affairs Medical Center, Birmingham, Alabama |
