1. New York-Presbyterian/Weill Cornell Medical Center, Weill Cornell Imaging, New York, New York, USA.
2. Department of Radiology, University of Alabama Medical Center, Birmingham, Alabama, USA.
3. Department of Radiology, Duke University School of Medicine, Durham, North Carolina, USA.
4. Department of Radiology, Albany Medical College, Albany, New York, USA.
5. Department of Radiology, Vanderbilt University Medical Center, Nashville, Tennessee, USA