Article History
Accepted: 3 April 2020
First Online: 26 May 2020
Competing interests
: F.G. receives royalties from EUROIMMUN for the use of IgLON5 in an autoantibody test and receives honoraria from MedLink Neurology for his role as an associate editor. J.D. receives royalties from Athena Diagnostics for the use of Ma2 in an autoantibody test and from EUROIMMUN for the use of NMDA receptor, GABA<sub>B</sub> receptor, GABA<sub>A</sub> receptor, DPPX and IgLON5 in autoantibody tests. A.S. declares no competing interests.