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:QUERI researchers’ use of HIT was concentrated in five distinct areas: (1) clinical decision support systems (CDSS); (2) HIT tools targeted for specific users; (3) telehealth applications; (4) design and maintenance of VA-wide databases; (5) integration and innovative use of extant VA-wide data (Table 2).
Category: