1. Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA
2. Cardiovascular Magnetic Resonance Center, UPMC, Pittsburgh, PA
3. Heart and Vascular Institute, UPMC, Pittsburgh, PA
4. Heart Hospital Imaging Centre, University College of London, London, UK
5. Department of Clinical Physiology, Karolinska Institutet and Karolinska University Hospital, Stockholm, Sweden
6. Cardiology Division, University of Minnesota, Minneapolis, MN
7. Department of Biostatistics, University of Pittsburgh Graduate School of Public Health, Pittsburgh, PA
8. Clinical and Translational Science Institute, University of Pittsburgh, Pittsburgh, PA
9. National Heart, Lung, and Blood Institute, Bethesda, MD
10. Division of Cardiology, Emory University, Atlanta, GA
11. Center for Cardiovascular Innovation, Northwestern University Feinberg School of Medicine, Chicago, IL