1. Department of Neurology St. Josef‐Hospital, Ruhr‐University Bochum Bochum Germany
2. Immunmediated Neuropathies Biobank (INHIBIT) Ruhr‐University Bochum Bochum Germany
3. Department of Internal Medicine St. Josef‐Hospital, Ruhr‐University Bochum Bochum Germany
4. Department of Neurology University Hospital Würzburg Würzburg Germany
5. Department of Neurology Kreisklinikum Siegen Siegen Germany
6. Institute of Neuropathology University of Duisburg‐Essen Essen Germany