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:aureus according to conventional methods, including Gram staining, colony morphology, hemolysis, catalase and tube coagulase test, as well as 16S rRNA, coa and nuc gene sequence analysis, as described [6, 10].
Category: