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:…(Figure 4C, left graph, and Figure 4—figure supplement 1), resembling the effect of disrupting mitochondrial fission due to the depletion of Drp1 or INF2 from cells (Bleazard et al., 1999; Labrousse et al., 1999; Wakabayashi et al., 2009; Korobova et al., 2013, 2014; Hatch et al., 2014).
Category: