1. Department of Psychiatry, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
2. Department of Neurology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
3. MTA-DE Cerebrovascular and Neurodegenerative Research Group, Debrecen, Hungary
4. Division of Clinical Laboratory Science, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
5. Department of Psychiatry and Psychotherapy, Faculty of Medicine, Semmelweis University, Budapest, Hungary
6. Hygiene and Infection Control Services, Kenézy Gyula University Hospital, University of Debrecen, Debrecen, Hungary
7. Department of Pathology, Faculty of Medicine, University of Szeged, Szeged, Hungary
8. Department of Old Age Psychiatry, Institute of Psychiatry Psychology & Neuroscience, King’s College London, London, United Kingdom