| Opening of registration system - pre-registrations (accounts) | August 2019 | 
| Opening of submissions of abstracts and applications for bursaries | November 1, 2019 | 
| Opening of registrations - payments (virtual participation) | March 2020 | 
| Bursary applications extended (last extension) | April 6, 2021 | 
| Submission of 
					abstracts for lectures 
					extended Abstracts received after this deadline will be considered mostly for posters except for a few sessions.(for example) Flexible format for electronic posters is planned (also for example videos) | May 17, 2021 | 
| Notification 
					of bursary applications and abstracts Status of the abstract is always available in Conftool profile of the author. Applications for bursaries have been announced separately. | June 28, 2021 | 
| Early bird registration (virtual) | July 15, 2021 | 
| Early bird registration (real or update virtual to real) | July 15, 2021 | 
| Submission of 
					abstracts for posters Abstracts are still accepted for posters after the deadline but especially late abstracts may not appear in the printed programme | July 15, 2021 | 
7