[This corrects the article DOI: 10.3389/fonc.2019.00707.].
Keywords: HER2; breast cancer; gene expression; molecular intrinsic subtype; paired samples; pathological complete response; residual disease.
Copyright © 2019 Pernas, Petit, Climent, Paré, Perez-Martin, Ventura, Bergamino, Galván, Falo, Morilla, Fernandez-Ortega, Stradella, Rey, Garcia-Tejedor, Gil-Gil and Prat.