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:This is particularly significant in light of the 2010 guidelines from the British Society for Rheumatology (BSR) and British Health Professionals in Rheumatology (BHPR) [10], which propose that the threshold for treating RA patients with TNF-α inhibitors (adalimumab, etanercept or infliximab) following trials of two DMARDs, including MTX, should be lowered from 5.
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