1. Department of Cardiology, Joan XXIII University Hospital, Tarragona, Spain
2. Pere Virgili Health Research Institute, Rovira i Virgili University, Tarragona, Spain
3. Heart Failure Unit, Department of Cardiology, Hospital del Mar, Barcelona, Spain
4. Heart Diseases Biomedical Research Group, IMIM (Hospital del Mar Medical Research Institute), Barcelona, Spain
5. Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain
6. Heart Institute, Hospital Universitari Germans Trias i Pujol, Badalona, Spain