Institution: | 1. Department of Medicine, Rush Medical College, Chicago, Illinois;2. Department of Radiology, Naval Medical Center and F Edward Hebert School of Medicine, Uniformed Services University, Bethesda, Maryland;3. Department of Medicine, Beaumont Hospitals, Royal Oak, Michigan;4. Department of Medicine, Columbia University Medical Center, New York, New York;5. American Association of Physicists in Medicine, College Park, Maryland;6. Department of Radiology, Boston University School of Medicine, Boston, Massachusetts |