National, Multicentric Registry Study on Neuroimmunological Diseases in China

Inclusion Criteria: * Patients who diagnosed at Xuanwu Hospital, Capital Medical University with any of the following conditions: * Multiple Sclerosis (the criteria followed the Diagnosis of multiple sclerosis: 2017 revisions of the McDonald criteria) * NMO Spectrum Disorder (the criteria followed the Diagnosis and Treatment Guidelines for Optic Neuromyelitis Spectrum Disorders in China 2016) * Myelin Oligodendrocyte Glycoprotein Antibody-associated Disease (the criteria followed the Consensus of Chinese Experts on Diagnosis and Treatment of Anti-Myelin Oligodendrocyte Glycoprotein Immunoglobulin G Antibody-Associated Diseases) * Myasthenia Gravis (the criteria followed the Guidelines for the Diagnosis and Treatment of Myasthenia Gravis in China 2020) * Autoimmune Encephalitis (the criteria followed the China Expert Consensus on Diagnosis and Treatment of Autoimmune Encephalitis 2017) * Acute Disseminated Encephalomyelitis (the criteria are based on the article titled "Acute disseminated encephalomyelitis" 2007). * Healthy adults who underwent a physical examination at the Physical Examination Center of Xuanwu Hospital, Capital Medical University Exclusion Criteria: * Women during pregnancy or lactation. * Patients with other neurological diseases or serious mental diseases. * Patients with serious liver and kidney function or other important organ dysfunction. * Unable to cooperate with follow-up work and venous blood collection due to poor compliance of pati…