Tricuspid valve repair in children with hypoplastic left heart syndrome: impact of timing and mechanism on outcome. - Ono M; Mayr B; Burri M; Piber N; Röhlig C; Strbad M; Cleuziou J; Hager A; Hörer J; Lange R (European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery, 2020)