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:…among grapevine cultivars, different molecular markers such as RAPD (Moreno et al. 1995), AFLP (Cervera et al. 1998), SSR (Bowers et al. 1996; Sefc et al. 1999), ISSR (Moreno et al. 1998), S-SAP (D’Onofrio et al. 2010), REMAP (Castro et al. 2012), and SAMPL (Cretazzo et al. 2010) were used.
Category: