1. Bundeswehr Institute of Radiobiology, Munich, Germany;
2. Cancer Group, Radiation Effects Department, Centre for Radiation, Chemical and Environmental Hazards, Public Health England, Chilton, United Kingdom;
3. Radiobiology and
4. Radiation Biology Unit, Department of Safety and Radiation Protection, Forschungszentrum Jülich GmbH, Jülich, Germany;
5. Microbiology Units, Institute for Environment, Health and Safety, Belgian Nuclear Research Centre, Mol, Belgium;
6. Biomathematics and Bioinformatics Unit, Institute of Genetics and Biometry, Leibniz Institute for Farm Animal Biology (FBN), Dummerstorf, Germany;
7. Institute of Radiation Biology, Helmholtz Zentrum, Munich, Germany; and
8. Medizinische Hochschule Hannover, Hannover, Germany