subacute sclerosing leukoencephalitis,"['subacute sclerosing panencephalitis', 'SSPE', 'inclusion body encephalitis', 'subacute inclusion body encephalitis', 'sclerosing leukoencephalitis', ""Bosin's disease"", ""Dawson's encephalitis"", 'Van Bogaert encephalitis', 'panencephalitis ']"