1 Microsoft, Redmond, Washington; Department of Radiology, University of California, San Francisco, San Francisco, California.
2 The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland.
3 Associate Director of Diagnostic Imaging, The Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland.
4 Director of Molecular Imaging and Therapeutics. Electronic address: [email protected].