1 Health Science Interdisciplinary Center, Scuola Superiore Sant'Anna, Pisa, Italy; Cardiology Division, Fondazione Toscana Gabriele Monasterio, Pisa, Italy. Electronic address: a.aimo@santannapisa.it.
2 Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy.
3 Health Science Interdisciplinary Center, Scuola Superiore Sant'Anna, Pisa, Italy; Cardiology Division, Fondazione Toscana Gabriele Monasterio, Pisa, Italy.
4 Heart Failure Clinic and Cardiology Service, University Hospital Germans Trias i Pujol, Badalona, Spain; Department of Medicine, Universitat Autònoma de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red Enfermedades Cardiovasculares, Instituto de Salud Carlos III, Madrid, Spain.