Important Dates

December 1, 2021

Deadline for registration

December 1, 2021

Deadline for the receipt of abstracts

December 13, 2021

Deadline for the receipt of full text

December 15, 2021

Distribution of final announcement and Symposium Programme

December 18-19, 2021



The official call for registration is now available using our online form on the Symposium web site ( Abstract or full text should be submitted by December 1, 2021 using our online submission system. Acceptance of abstracts will be notified to the Leading Authors no later than December 10, 2021, following evaluation by the Scientific Committee. The number of participants from the Federation (FESS) countries are limited to 50% of all participants.