Funding for this research was provided by:
Natural Science Foundation Committee (81901801)
Guangdong Province General University Key Research Platform and Research Program (2018KQNCX084)
Dutch Cancer Society grant (RUG 2010-4739)
PR grant (2010.WO25.C63)
Dutch Pink Ribbon Foundation grant Male Breast (2010)
Text and Data Mining valid from 2020-03-18
Received: 9 November 2019
Accepted: 9 March 2020
First Online: 18 March 2020
Ethics approval and consent to participate
: The archival tissue of all patients was handled according to the Dutch Code for Proper Use of Human Tissue (ExternalRef removed). According to the Dutch Central Committee on Research involving Human Subjects, this retrospective non-interventional study did not require informed consent from these patients.
: Not applicable.
: The authors declare that they have no competing interests.