1. Department of Cardiology III—Adult Congenital and Valvular Heart Disease, University Hospital Muenster, Albert-Schweitzer-Campus 1, Building A1, Muenster 48149, Germany
2. Department of Cardiology, Bichat Hospital, APHP, Université de Paris, Paris, France
3. Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Canada
4. Division of Cardiology, Department of Medicine, University of Washington School of Medicine, Seattle, WA, USA