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:These results support findings in the literature that describe deficits in explicit processing of dynamic emotional expression in individuals with ASD (Back et al., 2007; Lindner & RoseÃÅn, 2006), but preserved lipreading skills (De Gelder et al., 1991; Gepner et al., 2001).
Category: