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:As suggested by Nguena et al, there is a need to educate health professionals in remote areas and to develop a simple‐to‐follow algorithm to aid in the accurate diagnosis of OSSN.[8] The use of smart phone applications that are available in ophthalmology to transmit images from the field to the referral centers would be another way to improve early diagnosis of OSSN.
Category: