1. Department of Cardiology B, Division of Medicine; Oslo University Hospital Ullevål, University of Oslo; Norway
2. Center for Heart Failure Research; University of Oslo; Norway
3. INSERM, Centre d'Investigations Cliniques-1433, and INSERM U1116; Nancy France
4. CHU Nancy, Institut Lorrain du Cœur et des Vaisseaux; Vandoeuvre lès Nancy France
5. Université de Lorraine; Nancy France
6. F-CRIN INI-CRCT (Cardiovascular and Renal Clinical Trialists) Network; Nancy France
7. Department of Medicine, Division of Nephrology; Koc University School of Medicine; Istanbul Turkey
8. University of Michigan School of Medicine; Ann Arbor MI USA
9. Division of Cardiology; University of Bergen, Stavanger University Hospital; Stavanger Norway