1 Departments of Imaging Physics and Interventional Radiology, The University of Texas MD Anderson Cancer Center, Houston, Texas, and is Chair of the ACR Dose Index Registry (DIR). Electronic address: kyle.jones@mdanderson.org.
2 Department of Radiology, Imaging Institute Cleveland Clinic, Beachwood, Ohio.
3 Professor of Radiology and Cardiology, the Departments of Radiology and Medicine, Johns Hopkins University, Baltimore, Maryland, and is Chair of Commission on Physics and serves as board of chancellors for the ACR.