1 Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA; Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA.
2 Department of Medicine, Emory University School of Medicine, Atlanta, GA.
3 Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA.
4 Department of Radiology and Imaging Sciences, Emory University School of Medicine, Atlanta, GA. Electronic address: stridan@emory.edu.
5 Department of Radiology, University of Kentucky College of Medicine, Lexington, KY.