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:A number of studies have been published recently, which analyze the location, orientation, and identity ofmacromolecular complexes, based on the outcome of template-matching (Brandt et al., 2009; Ortiz et al., 2010).
Category: