Received: 23 June 2021
Accepted: 24 June 2021
First Online: 6 August 2021
: n.a. (no human participants, human data or human tissue involved).
: n.a. (no individual person’s data in any form included).
: All authors are members of the panel responsible for the current revision and publication of the DGN S2k-Guideline on diagnosis and treatment of multiple sclerosis, neuromyelitis optica spectrum diseases and MOG-IgG-associated disorders. Regarding individual financial conflicts of interest, please refer to the “Leitlinienreport” to the respective S2k-Guideline (see ExternalRef removed)