Scaling of X-axes is different in all patients reflecting length of follow-up.
Broken x-axis represents discontinuous axis and change of tick interval. Right
y-axis and grey curve: quantitative measure of disease severity Pediatric
Cerebral Performance Category, PCPC14(1=normal,2=mild disability,
3=moderate disability, 4=severe disability, 5= coma or
vegetative state, 6=dead). Left y-axis: filled boxes NMDAR antibody
titer in CSF, empty diamonds NMDAR antibody titer in serum (multiplied x100 to
fit the same axis as CSF). Camera symbol represent available video segments in
the supplementary
video. IVIg: intravenous immunoglobulins, IvMP: intravenous
methylprednisolone, or steroids: oral steroids, Ritux: rituximab, CycP:
cyclophosphamide.