1. Department of Radiology, University of Texas Southwestern Medical Center, Parkland Health and Hospital System, 5323 Harry Hines Blvd, MC 8896, Dallas, TX 75390-8896
2. Department of Radiology, Einstein Healthcare Network, Philadelphia, PA
3. Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, TN
4. Vanderbilt-Ingram Cancer Center, Nashville, TN
5. Veterans Health Administration–Tennessee Valley Healthcare System Geriatric Research, Education, and Clinical Center (GRECC), Nashville, TN
6. Department of Radiology, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY
7. Department of Radiology, University of Virginia Health System, Charlottesville, VA
8. Radiology Partners, Inc., El Segundo, CA