Affiliation: | 1.Department of Internal Medicine, Northwestern University, Chicago, IL, USA ;2.Department of Radiology, Northwestern University, 737 N. Michigan Avenue, Suite 1600, Chicago, IL, 60611, USA ;3.Department of Radiology, University of Colorado, Denver, CO, USA ;4.Circle Cardiovascular Imaging, Inc., Calgary, Canada ;5.Daegu-Gyeongbuk Medical Innovation Foundation, Daegu, South Korea ; |