1. Department of ChemistryUniversity of Oslo Sem Sælands vei, 26 0371 Oslo Norway
2. Department of Clinical MedicineUiT The Arctic University of Norway Hansine Hansens veg 18 9019 Tromsø Norway
3. PET Imaging CenterUniversity Hospital of North Norway Sykehusvegen 38 9019 Tromsø Norway
4. Department of ChemistryUiT – The Arctic University of Norway Hansine Hansens veg 18 9019 Tromsø Norway
5. Department of Diagnostic PhysicsOslo University Hospital Sognsvannsveien 20 0372 Oslo Norway
6. Norwegian Medical Cyclotron AS, Rikshospitalet Sognsvannsveien 20 Oslo Norway
7. Clinical NeurosciencesOslo University Hospital-Ulleval Kirkeveien 166, post code? Oslo Norway