Department of Cardiology;
Mater Dei Hospital;
Birkirkara Bypass;
Birkirkara MSD 2090;
Malta;
Imperial Cardiac Pathology Unit;
Royal Brompton Hospital;
Sydney Street;
London SW3 6NP;
UK;
Adult Congenital Heart Disease Unit;
Royal Brompton Hospital;
Sydney Street;
London SW3 6NP;
UK;