1. University Hospital of Old Age Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
2. Swiss Institute for Translational and Entrepreneurial Medicine, Bern, Switzerland
3. Graduate School for Health Sciences, University of Bern, Bern, Switzerland
4. Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Ber, Bern, Switzerland
5. Section Neuroradiology of the Department of Radiology, Cantonal Hospital Lucerne, Lucerne, Switzerland
6. Neurochemistry Laboratory, Department of Clinical Chemistry, Amsterdam Vrije University, Amsterdam, the Netherlands
7. Alzheimer Center Amsterdam, Department of Neurology, Amsterdam Neuroscience, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
8. Center for Brain Plasticity and Recovery, Georgetown University, Washington, DC, USA
9. Department of Old Age Psychiatry, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London, United Kingdom