[1] Tanta Univ, Fac Med, Dept Paediat, Tanta, Egypt
[2] Mansura Univ, Dept Cardiothorac Surg, Mansoura, Egypt
[3] King Faisal Specialist Hosp & Res Ctr, Dept Cardiovasc Dis, Jeddah, Saudi Arabia
[4] King Abdulaziz Univ, Dept Surg, Jeddah 21413, Saudi Arabia
[5] King Faisal Specialist Hosp & Res Ctr, Dept Cardiovasc Dis, Pediat Cardiol Sect, Jeddah, Saudi Arabia