1. Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
2. Department of Clinical Physiology, Nuclear Medicine & PET, Rigshospitalet, Copenhagen, Denmark
3. Cluster for Molecular Imaging, Faculty of Health Science, University of Copenhagen, Copenhagen, Denmark
4. Center for Nuclear Technologies, Technical University of Denmark, Roskilde, Denmark
5. Department of Chemistry, Michigan State University, East Lansing, MI, USA
6. Facility for Rare Isotope Beams, Michigan State University, East Lansing, MI, USA