1. Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands (R.E.K., S.E.E.-S., R.N.).
2. Duke Cardiovascular Magnetic Resonance Center (R.E.K., M.P., L.B., Y.K., F.A., R.J.K.), Duke University Medical Center, Durham, NC.
3. Division of Cardiology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand (Y.K.).
4. Division of Cardiology (F.A., R.J.K.), Duke University Medical Center, Durham, NC.
5. Department of Radiology (R.J.K.), Duke University Medical Center, Durham, NC.