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:The interventions were implemented in various settings including academic medical centers [3, 11, 13, 44, 50, 56, 65], five of which were multiinstitution collaboratives [11, 13, 44, 56, 65], universities [14, 60, 62], medical clinics [16, 61, 69], and community-based locales [15, 67].
Category: