1 Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Vanderbilt-Ingram Cancer Center, Nashville, Tennessee; Veterans Health Administration-Tennessee Valley Health Care System Geriatric Research, Education and Clinical Center (GRECC), Nashville, Tennessee. Electronic address: lucy.b.spalluto@vumc.org.
2 Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, Tennessee.