Limited utility of Mayo 2012 cardiac staging system for risk stratification of patients with advanced cardiac AL amyloidosis - analysis of a uniformly treated cohort of 1,275 patients

Jahanzaib Khwaja, Sriram Ravichandran, Joshua Bomsztyk, Oliver Cohen, Darren Foard, Ana Martinez–Naharro, Lucia Venneri, Marianna Fontana, Philip N. Hawkins, Julian D. Gillmore, Helen J. Lachmann, Shameem Mahmood, Carol Whelan, Amy A. Kirkwood, Ashutosh Wechalekar