Uniwersyteckie Centrum Kliniczne, Gdansk, Poland
Krankenhaus der Barmherzigen Brüder Trier, Trier, Rhineland-Palatinate, Germany
Herzzentrum Leipzig-Universitätsklinik für Kardiologie-Helios, Leipzig, Saxony, Germany
Pauls Stradins Clinical University Hospital, Riga, Latvia
Department of Cardiology Galway University Hospital and SAOLTA Healthcare Group, Galway, County Galway, Ireland