1. Department of Heart Failure and Clinical Cardiology Centro Cardiologico Monzino, IRCCS Via Parea 4 Milan 20138 Italy
2. Cardiothoracovascular Department Azienda Sanitaria Universitaria Giuliano Isontina (ASUGI), University of Trieste Trieste Italy
3. Università Bicocca Milan Italy
4. Department of Clinical Sciences and Community Health, Cardiovascular Section University of Milan Milan Italy