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:Bond et al. reported similar results from a study using the RT3 triaxial accelerometer, which detects accelerations for each of the three planes across 1-min intervals and converts these data to activity counts per minute, which are used to estimate minutes of MVPA (defined as Q984 activity countsIminj1 in this study).
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