GRM5 and viral encephalitis: Spatola Spatola M M Sabater Sabater L L Planagumà Planagumà J J Encephalitis with mGluR5 antibodies Encephalitis with mGluR5 antibodies Neurology Neurology 2018 2018 90 90 e1964 e1964 e1972 e1972 10.1212/WNL.0000000000005614 10.1212/WNL.0000000000005614 supplied-pmid 29703767?