University Hospital Zurich, affiliation not provided to SSRN, University of Zurich, Harvard University - Dana-Farber Cancer Institute, University Hospital Zurich, affiliation not provided to SSRN, University Hospital Zurich, University Hospital Zurich - Department of Nuclear Medicine, affiliation not provided to SSRN, University Hospital Zurich, University Hospital Zurich, University Hospital Zurich, University Hospital Zurich, University Hospital Zurich, University Hospital Zurich, University Hospital Zurich, University Hospital Zurich, Harvard University - Dana-Farber Cancer Institute, Harvard University - Dana-Farber Cancer Institute, University Hospital Zurich - Department of Nuclear Medicine and University Hospital Zurich - Department of Radiation Oncology