EAN (and the European Journal of Neurology) owns the copyright to the presentations on the virtual platform as well as the recordings. However, the intellectual content displayed in them is still property of the authors.
For Abstract Content, please cite properly (European Journal of Neurology) and inform that the poster has been published at the congress.
e.g.: This poster has been published at the 6th EAN congress, May 23 – 26, 2020, www.eanvirtualcongress.org
In case you want to reuse the presentation itself, please contact EAN (abstracts(at)ean.org)
Please find more information on copyrights here.