1. Heart Failure Unit; Germans Trias i Pujol Hospital; Badalona Spain
2. Department of Medicine; Universitat Autònoma de Barcelona; Barcelona Spain
3. Henry Ford Hospital; Heart and Vascular Institute; Detroit MI USA
4. Department of Vascular Medicine, Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
5. Department of Clinical Epidemiology, Biostatistics and Bioinformatics, Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands
6. ACS Biomarker BV; Amsterdam The Netherlands
7. Julius Center for Health Sciences and Primary Care; University Medical Center Utrecht; Utrecht The Netherlands
8. Heart Failure Research Center, Academic Medical Center; University of Amsterdam; Amsterdam The Netherlands