1. Institute of Radiobiology, German Armed Forces, Neuherbergstr. 11, D-80937 München, Germany
2. Department of Studies and Science, Federal Armed Forces Medical Academy, Neuherbergstr. 11, D-80937 München, Germany
3. World Health Organization Collaboration Center for Radiation Accident Management, University of Ulm, Helmholtzstrasse 20, D-89081 Ulm, Germany