Institution: | 1. Department of Oncology, Section of Radiotherapy, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;2. PET and Cyclotron Unit, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark;3. Division of Biostatistics and Bioinformatics, University of Maryland Greenebaum Cancer Center, and Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, Maryland |