Lindsay Hall BSc, PhD. Institute of Food Research. Registration is Now Open! Submitted on Tue, 11/22/2016 - 9:09am. Registration for the 2017 OARSI World Congress in Las Vegas, Nevada is now open! Visit our REGISTRATION page to complete your registration. For more information on becoming an Exhibitor or Sponsor of the 2017 OARSI World Congress, please visit our Exhibits and Sponsorship pages. Professionally managed by Association Headquarters. A chartered accredited association management company.