1 Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, Von-Siebold-Str. 5, 37075 Göttingen, Germany.
2 Clinical Immunological Laboratory Prof. Stöcker, 23627 Groß Grönau, Germany.
3 German Center for Neurodegenerative Diseases (DZNE), Von-Siebold-Str. 3a, 37075 Göttingen, Germany.
4 Neurosciences and Signaling Group, Institute of Biomedicine (iBiMED), Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal.
5 Leibniz-Institute of Neurobiology, University of Magdeburg, 39106 Magdeburg, Germany.