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 neurodegenerative diseases, patients suffering from ALS or FTLD exhibit cytoplasmic translocation of TDP-43.(14,15,17,18,31) In this study, we showed a similar translocation pattern of TDP-43 from the nucleus to the cytoplasm following CVB3 infection.
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