The official call for registration is now available using our online form on the Symposium web site (www.fesss.org). Abstract or full text should be submitted by November 21, 2024 using our online submission system. Acceptance of abstracts will be notified to the Leading Authors no later than November 20, 2024, following evaluation by the Scientific Committee. The number of participants from the Federation (FESS) countries are limited to 50% of all participants.