1. Department of Biomedicine - Pharmacology; Aarhus University; Aarhus Denmark
2. Centre for Advanced Imaging; The University of Queensland; Brisbane Qld Australia
3. Diabetes Research Division; Department of Medicine; Copenhagen University Hospital Gentofte; Hellerup Denmark
4. Department of Clinical Biochemistry; Aarhus University Hospitals; Aarhus Denmark
5. Department of Neuroscience and Pharmacology; Panum Institute; University of Copenhagen; Copenhagen Denmark
6. Department of Neurology and Neurosurgery; McGill University; Montréal QC Canada
7. Department of Radiology and Radiological Science; Johns Hopkins University; Baltimore MD USA