1. Department of Circulation and Medical Imaging; Norwegian University of Science and Technology (NTNU); Trondheim Norway
2. St. Olavs University Hospital; Trondheim Norway
3. Department of Tumor Biology, Institute for Cancer Research; Oslo University Hospital HF-Radiumhospitalet; Montebello Oslo Norway
4. Department of Oncology, Oslo University Hospital HF-Ullevaal, and Institute for Clinical Medicine; University of Oslo (UiO); Oslo Norway