Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:In particular, induction of AR transcriptional programs by androgen stimulation, particularly at supraphysiological doses, has been shown to result in widespread, transient DSBs in prostate cancer cells in a TOP2B dependent manner (4).
Category: