1. Department of Radiology (D.B.G, B.C., C.Y.), University of Washington, Seattle, WA.
2. Department of Surgery (H.W., T.S.H.), University of Washington, Seattle, WA.
3. BioMolecular Imaging Center (B.C., C.Y.), University of Washington, Seattle, WA.
4. Department of Electrical and Computer Engineering (L.C.), University of Washington, Seattle, WA.
5. Department of Radiology, Renji Hospital, School of Medicine, Shanghai Jiaotong University Shanghai, China (H.Z.).
6. Center for Biomedical Imaging Research, Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing, China (X.Z.).