1. Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford University, 3155 Porter Drive, Palo Alto, California 94305, United States
2. Infectious Disease Division, Department of Medicine, Rhode Island Hospital and Alpert Medical School of Brown University, Brown University, Providence, Rhode Island 02903, United States
3. Department of Radiology, Canary Center at Stanford for Cancer Early Detection, Stanford University School of Medicine, Stanford University, 3155 Porter Drive, Palo Alto, California 94305, United States
4. Masonic Medical Research Institute, 2150 Bleecker Street, Utica, New York 13501, United States