MEDEN is a European group of clinicians and scientists focused on neuromyelitis optica spectrum disorders and myelin oligodendrocyte glycoprotein antibody-associated disease. It began initially under the EDEN research project and has expanded to include further European research collaborations and projects. The group meets annually to discuss projects, controversial topics and set priorities for future work.

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Our steering comittee consists of Georgina Arrambide (Spain), Yael Hacohen (UK), Romain Marignier (France), Sara Mariotto (Italy) Jaqueline Palace (UK) and Friedemann Paul (Germany).