International Atomic Energy Agency (IAEA), International Atomic Energy Agency (IAEA), Ghent University Hospital - Department of Radiation Oncology, King Hussein Cancer Center (KHCC), Wake Forest University, Medical University of South Carolina, UZ Brussel, Catholic University of Louvain (UCL), Federal University of Bahia (UFBA), Quanta Diagnóstico e Terapia - PET/CT Department, University of Pretoria, National Cancer Center of Mongolia, National Cancer Center of Mongolia, Mongolian National University of Medical Sciences, The Austin Hospital - Olivia Newton-John Cancer Research Institute, The Austin Hospital - Olivia Newton-John Cancer Research Institute, International Atomic Energy Agency (IAEA), International Atomic Energy Agency (IAEA), International Atomic Energy Agency (IAEA), International Atomic Energy Agency (IAEA), International Atomic Energy Agency (IAEA) and International Atomic Energy Agency (IAEA)

affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Wake Forest University - School of Medicine, Case Western Reserve University - University Hospitals Cleveland Medical Center, University of Pennsylvania - Perelman School of Medicine, International Atomic Energy Agency (IAEA), New York University (NYU) - Robert F. Wagner Graduate School of Public ServiceDepartment of Population Health, Northeastern University (USA), affiliation not provided to SSRN, affiliation not provided to SSRN and affiliation not provided to SSRN