Corrigendum to Six versus 12 months of adjuvant trastuzumab in combination with dose-dense chemotherapy for women with HER2-positive breast cancer: a multicenter randomized study by the Hellenic Oncology Research Group (HORG): Annals of Oncology, Volume 26, Issue 7, July 2015, Pages 1333–1340 - Mavroudis, D; Saloustros, E; Malamos, N (Ann Oncol, 2020)