Participants were recruited from the Cardiology Division of the University Hospital. Eligible participants were recruited from a single specialty HF clinic in the hospital.
Los participantes fueron reclutados en el ambulatorio de Clínica Especializada en Cardiomiopatía de la División de Cardiología del Hospital Universitario.
Os participantes foram recrutados no ambulatório de Clínica Especializada em Cardiomiopatia da Divisão de Cardiologia do Hospital Universitário.