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 addition, tSC processes extending from denervated endplates contact intact nerve terminals and form “tSC bridges” that induce and guide terminal sprouts to denervated endplates (Son and Thompson, 1995a; Love et al., 2003).
Category: