Erratum to: Breast Cancer Res Treat (2017) 162:85–94 DOI 10.1007/s10549-017-4105-z

Unfortunately, in the original publication of the article, the study period was erroneously published as the study was performed between June 2012 and February 2014 (p. 86). The correct study period is between June 2013 and June 2014.