1 Microsoft, Inc., AI for Good Research Lab, Redmond, WA 98052, USA.
2 The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD 2128, USA.
3 The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD 2128, USA. Electronic address: srowe8@jhmi.edu.