1. Bundeswehr Institute of Radiobiology affiliated to the University of Ulm, 80937 Munich, Germany
2. Southern Urals Biophysics Institute (SUBI), Russian Federation, Ozyorsk 456780, Russia
3. Bundeswehr Medical Office, Department IX 1, CBRN Med Defence, 80937 Munich, Germany
4. Research Unit of Radiation Cytogenetics, Integrative Biology Group, Helmholtz-Zentrum München, 85764 Neuherberg, Germany