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:Due to αvβ3 integrin aggregation on the glial cell surface caused by Thy-1 binding [37], restricted Thy-1 lateral diffusion could also result from Thy-1-integrin binding at cell-cell contact sites [6,53] or within the same cell [12].
Category: