1. Department of Radiology, Weill Cornell Medical College/New York-Presbyterian Hospital,New York, New York (P.P., H.B., A.J.T., A.G.); Samuel J. Wood Library & C. V. Starr Biomedical Information Center, Weill Cornell Medical College,New York, New York (D.D.); Department of Healthcare Policy and Research, Weill Cornell Medical College, New York, New York (G.A., P.C.)