1. The University of Chicago, Department of Radiology, 5841 South Maryland Avenue, MC 2026, Chicago, Illinois 60637, United States
2. University of Michigan, Department of Radiology, 1500 East Medical Center Drive, Ann Arbor, Michigan 48109, United States
3. Health Data Sciences Institute, Biomedical Science and Engineering Center, Oak Ridge National Laboratory, P.O. Box 2008 MS6085 Oak Ridge, Tennessee 37831-6085, United States
4. National Cancer Institute, Cancer Imaging Program, Division of Cancer Treatment and Diagnosis, 9609 Medical Center Drive, Bethesda, Maryland 20892, United States
5. Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Cancer Imaging Program, 8560 Progress Drive, Frederick, Maryland 21702, United States