1. From the Cardiology Department, University Hospital Clinic, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain (D.F.-R., A.R., S.B., V.M.-Y., M.M., M.S.); Cardiology Department, University Hospital of Bellvitge, Barcelona, Spain (A.C.); Cardiology Department, Hospital do Meixoeiro, Vigo, Spain (A.I.); Cardiology Department, University Hospital of Sant Pau, Barcelona, Spain (A.S.); Cardiology Department, University Hospital San Carlos, Madrid, Spain (R.H.-A.);...