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 truncated phospholipids can activate PMNs, monocytes, eosinophils as well as platelets and are validated to be the major components of oxidized low density lipoprotein (OxLDL) that promotes atherogenesis [16,25,26] in atherosclerotic plaque [27], smokers and alcoholic blood [28,29], inflamed tissues [30] and in models of cutaneous inflammation [31].
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