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:This paper reports on the results of studies we have completed in the Victorian (Australia) public health care sector (Bartram et al., 2007, Leggat et al., 2005, 2006, 2008, 2010; Young et al., 2010; Bonias et al., 2010; Stanton et al., 2010).
Category: