Kiaran P. McGee, PhD Consultant, Department of Radiology, Mayo Clinic, Rochester, Minnesota; Associate Professor of Medical Physics and Assistant Professor of Biomedical Engineering, Mayo Clinic College of Medicine Matthew W. Martinez, MD Director, Cardiovascular Imaging, Lehigh Valley Health Network, Allentown, Pennsylvania Eric E. Williamson, MD Chair, Division of Cardiovascular Radiology, Mayo Clinic, Rochester, Minnesota; Associate Professor of Radiology, Mayo Clinic College of Medicine