Correction: Heregulin- β 1 regulates the estrogen receptor- α gene expression and activity via the ErbB2/PI 3-K/Akt pathway

Reference to: Oncogene 2003; 22: 2073–2087. doi:10.1038/sj.onc.1206311 After careful examination of this paper, the authors have realized that they have inadvertently made a serious editorial error. While this error has no impact on the results or conclusions drawn in the study, the authors wish to withdraw this article.