1. Center of Functionally Integrative Neuroscience Aarhus University Aarhus Denmark
2. Department of Nuclear Medicine and PET Centre Aarhus University Hospital Aarhus Denmark
3. Department of Neuroradiology Aarhus University Hospital Aarhus Denmark
4. Charité, Universitätsmedizin Institute of Neuroradiology Berlin Germany
5. Dementia Clinic Department of Neurology Aarhus University Hospital Aarhus Denmark
6. Division of Neuroscience Department of Medicine Imperial College London London UK
7. Division of Neuroscience Newcastle University Newcastle upon Tyne UK