1 Division of Cardiology, Department of Medicine, Saolta University Healthcare Group, University College Hospital Galway, Galway, Ireland.
2 Division of Cardiology, Department of Medicine, Saolta University Healthcare Group, University College Hospital Galway, Galway, Ireland; National University of Ireland and National Institute for Preventive Cardiology, Galway, Ireland. Electronic address: johnwilliam.mcevoy@nuigalway.ie.