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:Ten boundaries indicating the axial location of defined intra-retinal layers are then automaticaly outlined using a developed segmentation algorithm (SOARS: Stanford OCT Automated Retinal Segementation) [14], from which 7 (describing 6 layers) are considered in the analysis.
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