From the *Mallinckrodt Institute of Radiology, the †Department of Biostatistics, and the ‡Division of Cardiothoracic Surgery, Washington University School of Medicine, Saint Louis, MO.
Received for publication July 23, 2015; accepted November 9, 2015.
Correspondence to: David S. Gierada, MD, Mallinckrodt Institute of Radiology, Box 8131, 510 S Kingshighway Blvd, St Louis, MO 63110 (e-mail: [email protected]).
This study was approved by the institutional review board at Washington University.
B.R.W. is now with the Department of Radiology, University of Pittsburgh School of Medicine, Pittsburgh, PA.
This study was supported by the Barnes-Jewish Hospital Foundation and Washington University Institute of Clinical and Translational Sciences grant UL1TR000448 from the National Center for Advancing Translational Sciences of the National Institutes of Health.
The authors declare no conflict of interest.
The content is solely the responsibility of the authors and does not necessarily represent the official view of the NIH.
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