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:Such training has been shown to reduce resting CRP and IL-6 (Mendham et al. 2014), and improve glycaemic control (Andersen et al. 2014) and body
composition (Andersen et al. 2010).
Category: