1 Department of Physical Sciences, Sunnybrook Research Institute, Toronto, ON, Canada; Department of Medical Biophysics and Department of Medical Imaging, University of Toronto, Toronto, ON, Canada; Imaging Research Program, Ontario Institute for Cancer Research, Toronto, ON, M4N 3M5, Canada. Electronic address: martin.yaffe@sri.utoronto.ca.
2 BC Women's Breast Program, University of British Columbia, Vancouver, BC, Canada.
3 Department of Radiology, University of New Mexico School of Medicine, Albuquerque, NM, USA; Department of Radiology, George Washington University School of Medicine, Washington, DC, USA.