1. Department of Psychiatry and Psychotherapy, University Medical Center Göttingen, 37075 Göttingen, Germany
2. Clinical Immunological Laboratory, 23627 Groß Grönau, Germany
3. German Center for Neurodegenerative Diseases (DZNE), 37075 Göttingen, Germany
4. Neurosciences and Signaling Group, Institute of Biomedicine (iBiMED), Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal