1. Department of Radiation Physics, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.
2. Institute of Medicine, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden.
3. Department of Oncology, The Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden.
4. Cyclotron and PET Unit, Rigshospitalet, Copenhagen, Denmark.
5. Center for Molecular Pathology, Department of Laboratory Medicine, Lund University, University Hospital MAS, Malmö, Sweden.