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:2
In addition to these spatio-temporal and socio-demographic dynamics, work in GDTs is also
affected by teams’ geographic configuration, which O’Leary and Cummings (2007) define as the number of geographically dispersed sites and the relative number of team members at those sites, independent of…
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