1 Helmholtz Zentrum München, Department of Radiation Sciences, Institute of Radiation Protection, Ingolstädter Landstrasse 1, 85764, Neuherberg, Germany. hschoellnberger@bfs.de.
2 Department of Radiation Protection and the Environment, Federal Office for Radiation Protection, Ingolstädter Landstrasse 1, 85764, Neuherberg, Germany. hschoellnberger@bfs.de.
3 Helmholtz Zentrum München, Department of Radiation Sciences, Institute of Radiation Protection, Ingolstädter Landstrasse 1, 85764, Neuherberg, Germany.
4 Department of Statistics, Radiation Effects Research Foundation, Hiroshima, Japan.
5 Institute of Pathology, Städtisches Klinikum München and Technical University of Munich, Munich, Germany.