1. Rare Cardiac Disease Centre, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
2. Tuscan Regional Amyloid Center, Careggi University Hospital, Firenze, Italy
3. Department of Clinical and Experimental Medicine, Section of Endocrinology, University of Pisa, Pisa, Italy
4. Division of Cardiovascular Diseases, Cardio-Thoracic Department, IRCCS-ISMETT, Palermo, Italy
5. Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Messina, Italy
6. Gabriele Monasterio Foundation, Tuscan Region, Pisa, Italy