1. Division of Cardiovascular Medicine, Department of Internal Medicine; Ohio State University; Columbus Ohio USA
2. Peter Munk Cardiac Center; University Health Network, University of Toronto; Toronto Ontario Canada
3. Davis Heart and Lung Research Institute; Ohio State University; Columbus Ohio USA
4. EXCMR, Inc.; Columbus OH
5. Division of Biostatistics, College of Public Health; Ohio State University; Columbus Ohio USA
6. Department of Radiology; Ohio State University; Columbus Ohio USA