1 Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
2 Mallinckrodt Institute of Radiology, Washington University School of Medicine in Saint Louis, Saint Louis, MO, USA.
3 Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143, USA.
4 Department of Radiology, Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, USA.
5 Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94143, USA; Department of Radiology, San Francisco Veterans Affairs Medical Center, San Francisco, CA, USA. Electronic address: michael.hope@ucsf.edu.