Letter to the Editor regarding the article 'Left atrial volume index in patients with heart failure and severely impaired left ventricular systolic function: the role of established echocardiographic parameters, circulating cystatin C and galectin-3' by Zivlas et al. (2017)
1 Instituto de Investigación Sanitaria de Aragón - Servicio de Medicina Interna, Hospital Clínico Universitario "Lozano Blesa", Avda San Juan Bosco, 15, Zaragoza 50009, Spain.
2 Instituto de Investigación Sanitaria de Aragón - Servicio de Medicina Interna, Hospital Clínico Universitario "Lozano Blesa", Zaragoza, Spain.