1. Roy J. Carver Department of Biomedical Engineering,
2. Department of Radiology, University of Wisconsin–Madison, Madison, Wisconsin;
3. Department of Electrical and Computer Engineering,
4. Department of Internal Medicine and
5. Department of Radiology, and
6. Department of Medicine, University of Iowa, Iowa City, Iowa;
7. Department of Medicine, University of California, Los Angeles, Los Angeles, California;
8. Department of Biostatistics, University of North Carolina, Chapel Hill, North Carolina;
9. Department of Medicine, The Johns Hopkins University, Baltimore, Maryland;
10. Department of Radiology, Medical School, University of Michigan, Ann Arbor, Michigan;
11. Department of Medicine, Weill Cornell Medical College, New York, New York;
12. Department of Internal Medicine, University of Nebraska, Omaha, Nebraska;
13. Department of Radiology, University of Utah, Salt Lake City, Utah;
14. Department of Medicine, University of California, San Francisco, San Francisco, California;
15. Department of Medicine and
16. Department of Epidemiology, College of Medicine, Columbia University, New York, New York; and
17. Department of Medicine, McGill University, Montreal, Quebec, Canada