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:RIN values go from 1 to 10, where RIN 1 stands for totally degraded RNA, while 10 presents completely intact RNA
N. N. Rosic (*) :O. Hoegh-Guldberg Centre for Marine Studies, University of Queensland, St. Lucia 4072, Brisbane, Queensland, Australia e-mail: n.rosic@uq.edu.au
(Schroeder et al. 2006).
Category: