Funding for this research was provided by:
Center for Translational Molecular Medicine (BreastCARE)
Received: 12 April 2018
Accepted: 31 March 2019
First Online: 8 April 2019
Ethics approval and consent to participate
: This study material was strictly handled after coding of the data according to national ethical guidelines of ‘Code for Proper Secondary Use of Human Tissue’ developed by Federation of Medical Societies (FMWV) in the Netherlands [CitationRef removed]. The entire study protocol was approved by the Medical Ethical Committee of the Academic Medical Center. The need for obtaining informed consent was waived by this committee<b>.</b>
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.