1. Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, Canada
2. Department of Oncology, University of Alberta, Edmonton, Canada
3. Biomedical Chemistry, Department of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
4. Molecular Imaging and Radiochemistry, Department of Clinical Radiology and Nuclear Medicine, Medical Faculty Mannheim of Heidelberg University, Mannheim, Germany
5. Life Sciences Division, TRIUMF, Vancouver, Canada