1. Department of Humanities, University of Urbino, Urbino, Italy
2. Cardiomyopathy Unit, Careggi University Hospital, Florence, Italy
3. Tuscan Regional Amyloidosis Centre, Careggi University Hospital, Florence, Italy
4. Division of Interventional Structural Cardiology, Cardiothoracovascular Department, Careggi University Hospital, Florence, Italy
5. IV Internal Medicine Division, Careggi University Hospital, Florence, Italy
6. Department of Surgical, Medical and Molecular Pathology and Critical Care Medicine, University of Pisa, Pisa, Italy