1 Muscle Immunobiology Group, Department of Neurology, Neuromuscular Center, University Medical Center Göttingen; Department of Neurology and Pain Treatment, University Hospital of the Brandenburg Medical School Theodor Fontane, Immanuel Klinik Rüdersdorf, Rüdersdorf bei Berlin; and Faculty of Health Sciences Brandenburg, Brandenburg Medical School Theodor Fontane, Rüdersdorf bei Berlin, Germany. [email protected].
2 Department of Nephrology and Rheumatology, University Medical Center Göttingen, Germany.
3 Department of Neuropathology, University Medical Center Göttingen, Germany.
4 Diagnosegruppe Myositis, Deutsche Gesellschaft für Muskelkranke, Freiburg, Germany.