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:Extensive research has been reported by the Algae Research Laboratory of the University of Malaya on this species including its genetic diversity (Sim et al. 2007; Yow et al. 2011, 2013), proteomics (Wong et al. 2006), functional genomics (Chan et al. 2004; Song et al. 2013), transcriptomics (Teo…
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