Clinical phenotype and prognostic significance of frailty in transthyretin cardiac amyloidosis

da C. Fumagalli, A. Ioannou, F. Cappelli, M. Maurer, Y. Razvi, A. Porcari, F. Perfetto, I. Olivotto, P. Hawkins, R. Marfella, N. Marchionni, A. Ungar, J. Gillmore, M. Fontana (Londra, Firenze, New York, Trieste, Napoli)