1. Department of Molecular and Medical Pharmacology, David Geffen UCLA School of Medicine, Los Angeles, CA, USA
2. Case Western Reserve University, Cleveland, OH, USA
3. University of Toronto, Toronto, ON, Canada
4. Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
5. Department of Nuclear Medicine, Odense University Hospital, Odense, Denmark
6. Department of Clinical Research, University of Southern Denmark, Odense, Denmark