EP-2050 Implementation of CT-based attenuation maps of RT positioning devices in PET/MRI -online vs offline. (April 2019) - Taeubert, L.; Pfaffenberger, A.; Berker, Y.; Beuthien-Baumann, B.; Hoffmann, A.L.; Troost, E.; Koerber, S.A.; Kachelrieß, M.; Gillmann, C.