[1] Azienda Sanit Univ Giuliano Isontina, Cardiovasc Dept, Ctr Diag & Treatment Cardiomyopathies, Trieste, Italy
[2] Univ Trieste, Trieste, Italy
[3] Univ Genoa, Dept Internal Med, Cardiovasc Unit, Genoa, Italy
[4] Osped Policlin San Martino IRCCS, Genoa, Italy
[5] Univ Bologna, Univ Sant Orsola Hosp, Dept Expt Diagnost & Specialty Med, Cardiol Unit,IRCCS, Bologna, Italy
[6] Univ Florence, Careggi Univ Hosp, Cardiomyopathy Unit, Florence, Italy
[7] Azienda Sanit Univ Giuliano Isontina, Dept Nucl Med, Trieste, Italy
[8] Univ Bologna, Univ SantOrsola Hosp, Dept Nucl Med, IRCCS, Bologna, Italy
[9] Osped Policlin San Martino, Nucl Med, IRCCS, Genoa, Italy
[10] Univ Florence, Dept Expt & Clin Biomed Sci Mario Serio, Nucl Med Unit, Florence, Italy
[11] Careggi Univ Hosp, Tuscan Reg Amyloid Ctr, Florence, Italy
[12] Univ Ferrara, Cardiovasc Ctr, Ferrara, Italy
[13] Maria Cecilia Hosp, GMV Care & Res, Cotignola, Italy