[1] Athens Univ, Attikon Univ Hosp, Cardiol Dept 2, Adult Congenital Heart Dis Clin, Athens, Greece
[2] Aristotle Univ Thessaloniki, AHEPA Univ Hosp, Cardiol Dept, Thessaloniki, Greece
[3] Aristotle Univ Thessaloniki, AHEPA Univ Hosp, Dept Cardiol, St Kiriakidi 1, Thessaloniki 54636, Greece