1. Department of Radiology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
2. Department of Pathology, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
3. Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
4. Harvard Medical School, Boston, Massachusetts, USA
5. Division of Clinical Informatics, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA