1. Faculty of Medicine and Health Sciences Linköping University Linköping Sweden
2. Department of Neurobiology, Care Sciences and Society Karolinska Institutet Huddinge Sweden
3. Theme Aging Karolinska University Hospital Stockholm Sweden
4. Heart Failure Unit Hospital Universitary Germans Trias i Pujol Badalona Spain
5. Department of Medicine Universitat Autònoma de Barcelona Barcelona Spain
6. CIBER Cardiovascular Instituto de Salud Carlos III Madrid Spain