1. From the Cardiology and Hematology Department, Hospital Clínico San Carlos, IdISSC, Madrid, Spain (P.J.-Q., J.J.G.-F., L.L., E.B., A.O.-P., R.H.-A., F.A., N.G., J.E., C.B., A.F.-O., B.D.N., M.d.T., E.G., C.M.); Cardiology and Hematology Department, Hospital Clinic, IDIBAPS, Barcelona, Spain (M.S., A.R., P.M.); Cardiology Department, Hospital Sant Pau, Barcelona, Spain (X.G.-M.); Department of Radiology and Nuclear Medicine, San Pedro Hospital and Centre for Biomedical Research of La Rioja (CIBIR),...