Department of Clinical Neuroscience, Karolinska Institutet, Center for Molecular Medicine, Applied Immunology & Immunotherapy, L8:04, Karolinska Hospital, SE-171 76, Stockholm, Sweden. andreas.warnecke@ki.se.|Department of Medicine Solna, Science for Life Laboratory, Karolinska Institutet, Stockholm, Sweden. Tatyana.Sandalova@ki.se.|Department of Medicine Solna, Science for Life Laboratory, Karolinska Institutet, Stockholm, Sweden. Adnane.Achour@ki.se.|Department of Clinical Neuroscience, Karolinska Institutet, Center for Molecular Medicine, Applied Immunology & Immunotherapy, L8:04, Karolinska Hospital, SE-171 76, Stockholm, Sweden. robert.harris@ki.se.