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:Matricellular proteins are thought to contribute to the organization and biomechanical stability of
the ECM by modulating cell-matrix interactions and cell signaling rather than by serving directly as structural components (Bornstein et al., 2000).
Category: