Acknowledgements
K.N. wrote the manuscript. M.T., Y.S., T.F., R.K., K.N., S.S., M.H. and
R.A. provided patient care. H.I. and S.N. provided pathological
analysis. Y.T. provided anti-glutamate receptor δ2 analysis. Y.I. was
the principal investigator and takes primary responsibility for the
paper. T.W. was the chief of the department and provided advice on this
study.