[1]
Servicio de Cardiología, Área del Corazón, Hospital Central de Asturias, Oviedo, Asturias, España
[2]
Department of Cardiac Surgery, University Hospital Zürich, Zúrich, Suiza; Certificate of Advanced Studies-Cardiac Structural Interventions (CAS-CSI), University of Zürich, Zúrich, Suiza