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:Given INF2’s previously established role as a formin protein involved in ER-mediated mitochondrial constriction and division (Korobova et al., 2013, 2014; Hatch et al., 2014), we hypothesized that Spire1C could be working together with INF2.
Category: