OMG and encephalitis: In the non‐infectious group, diagnoses included two cases of anti‐N‐methyl‐d‐aspartate (NMDA) receptor encephalitis, one case of myelin oligodendrocyte glycoprotein IgG‐associated disorder (MOGAD), one case of anti‐glial fibrillary acidic protein (GFAP)‐related astrocytopathy, one case of seizure of unknown origin, and one case of new‐onset refractory status epilepticus (NORSE).