1. Department of Biomedical Engineering, Washington University, St. Louis, Missouri, USA.
2. Department of Radiology, Program in Quantitative Molecular Therapeutics, Washington University School of Medicine, St. Louis, Missouri, USA.
3. Department of Biomedical Engineering, Johns Hopkins University, Baltimore, Maryland, USA.
4. Department of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA.
5. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
6. Siteman Cancer Center, Oncologic Imaging Program, Alvin J. Siteman Cancer Center, Washington University School of Medicine, St. Louis, Missouri, USA.