Author:
Author can upload Symposium, Workshop Abstracts and Full Papers. Moreover he can pay Registration Fees through this role.
Delegate:
Delegate can pay Registration Fees through this role, however he cannot upload abstracts and papers.
Exhibitors:
Exhibitor can Give Preference for Stalls through this role.
Sponsor:
Sponsor Provides Funds for the event and can have different sponsorships - Diamond, Platinum , Golden etc. .