1. Division of Cardiology Duke University Medical Center Durham NC USA
2. Duke Clinical Research Institute Durham NC USA
3. Robertson Centre for Biostatistics and Clinical Trials University of Glasgow Glasgow UK
4. National Heart & Lung Institute Imperial College London UK
5. Inova Heart and Vascular Institute Falls Church VA USA
6. Division of Cardiology University of California San Francisco and Section of Cardiology San Francisco CA USA
7. Centre d'Investigation Clinique Inserm, CHU Université de Lorraine, Institut Lorrain du Coeur et des Vaisseaux Nancy France
8. Division of Cardiology Brigham and Women's Hospital Boston MA USA