[1] Onassis Cardiac Surg Ctr, Dept Paediat Cardiol & Adult Congenital Heart Dis, Athens, Greece
[2] Univ Crete, Univ Hosp Heraklion, Sch Med, Dept Paediat, Iraklion, Greece
[3] Onassis Cardiac Ctr, Dept Paediat Cardiac Surg & Congenital Heart Surg, Athens, Greece
[4] Onassis Cardiac Surg Ctr, Dept Adult Cardiac Surg 1, Athens, Greece
[5] Onassis Cardiac Surg Ctr, Dept Anaesthesiol, Athens, Greece
[6] Onassis Cardiac Ctr, Dept Radiol & Computed Tomog, Athens, Greece