Author contributions
CL and HC collected all the clinical data. XZ performed and read all the
MRI scans. XX and CL followed up the cases. QZ and HL did IHC assay of
the LGI1 antibody. ZT provided advice on neuropsychological assessment.
CL wrote the first draft of the manuscript. HCK and HEK contributed to
main idea of the manuscript. All authors contributed to the revision of
the manuscript and approved the submission.