1. Department of Nuclear Medicine, Odense University Hospital, 5000 Odense C, Denmark
2. Research Unit of Clinical Physiology and Nuclear Medicine, Department of Clinical Research, University of Southern Denmark, 5230 Odense M, Denmark
3. Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
4. Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
5. Gene Delivery Technology Core, Massachusetts General Hospital, Boston, MA 02114, USA
6. Department of Neuroscience, Developmental and Regenerative Biology and Genetics of Neurodegeneration, University of Texas at San Antonio, San Antonio, TX 78249, USA
7. The Intervention Centre, Division of Technology and Innovation, Oslo University Hospital, 0372 Oslo, Norway
8. Institute of Clinical Medicine, University of Oslo, 0313 Oslo, Norway
9. Department of Molecular and Medical Pharmacology, David Geffen UCLA School of Medicine, Los Angeles, LA 90095, USA