February 1, 2021: Abstract submission deadline (the organization cannot guarantee the inclusion in the program of abstracts received after later. If you are planning to submit an abstract, please, contact the organization via e-mail info [at] ecco2021madrid.com).
March 1, 2021: Notification of Acceptance.
March 15, 2021: Early registration deadline.
May 15, 2021: Registration deadline for accepted communication (the organization cannot guarantee the inclusion in the program of abstracts whose authors are not registered at this date).
June 9-11, 2021: Conference.