CONCERT-HF CONSORT diagram. CONSORT diagram shows patients screened, enrolled, and treated in the CONCERT-HF trial, as well as number of patients that completed follow-up for each endpoint, along with reasons for non-completion. 6MWT, 6-min walk test; ACT, anticoagulation therapy; BMA, bone marrow aspiration; CPC, c-kit positive cardiac cell; EF, ejection fraction; eGFR, estimated glomerular filtration rate; EMB, endomyocardial biopsy; FU, follow-up; HbA1C, glycated haemoglobin; LV, left ventricular; MLHFQ, Minnesota Living with Heart Failure Questionnaire; MRI, magnetic resonance imaging; MSC, mesenchymal stromal cell; NT-proBNP, N-terminal pro-brain natriuretic peptide; NYHA, New York Heart Association; VO2, oxygen consumption.