Iuliana Toma-Dasu1, Andrzej Wojcik2, Emely Kjellsson Lindblom3. 1. Medical Radiation Physics, Department of Oncology and Pathology, Karolinska Institutet, Sweden; Medical Radiation Physics, Department of Physics, Stockholm University, Sweden. Electronic address: iuliana.livia.dasu@ki.se. 2. Centre for Radiation Protection Research, MBW Department, Stockholm University, Sweden. 3. Medical Radiation Physics, Department of Physics, Stockholm University, Sweden.