1. Nutritional Physiology Institute of Nutrition and Food Science University of Bonn Bonn Germany
2. Nutrition and Microbiota Institute of Nutrition and Food Science University of Bonn Bonn Germany
3. Department of Psychiatry and Neurochemistry Institute of Neuroscience and Physiology the Sahlgrenska Academy at the University of Gothenburg, Mölndal Hospital Mölndal Sweden
4. Department of Old Age Psychiatry Institute of Psychiatry Psychology & Neuroscience King's College London London UK
5. Centre for Age‐Related Medicine Stavanger University Hospital Stavanger Norway
6. Graduate Program in Biological Sciences: Biochemistry Universidade Federal do Rio Grande do Sul (UFRGS) Porto Alegre Brazil
7. Central Laboratory Institute of Clinical Chemistry and Clinical Pharmacology University Hospital Bonn Bonn Germany
8. Clinical Study Core Unit Study Center Bonn Institute of Clinical Chemistry and Clinical Pharmacology University Hospital Bonn Bonn Germany
9. Institute of Medical Biometry Informatics and Epidemiology University of Bonn Bonn Germany
10. Clinical Neurochemistry Laboratory Sahlgrenska University Hospital Mölndal Hospital Mölndal Sweden
11. Department of Neurodegenerative Disease UCL Institute of Neurology London UK
12. UK Dementia Research Institute at UCL London UK
13. Hong Kong Center for Neurodegenerative Diseases Hong Kong China