Corrigendum to: 'Contemporary results of aortic valve repair for congenital disease: lessons for management and staged strategy' [Eur J Cardiothorac Surg 2017;52(3):581–587]. (24th November 2017) - Vergnat, Mathieu; Asfour, Boulos; Arenz, Claudia; Suchowerskyj, Philipp; Bierbach, Benjamin; Schindler, Ehrenfried; Schneider, Martin; Hraska, Victor