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:Furthermore, risk-factor awareness among patients with lower-limb ischemia is suboptimal, and one benefit of a NLC is the opportunity to educate patients.(24,25) Indeed, our results show significant benefits of a protocol-based NLC for claudicants with a 25% relative risk reduction of predicted 10-year coronary events over a 3-month period.
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