1. Genome Damage and Stability Centre, University of Sussex; East Sussex UK
2. Radiation Biology and DNA Repair, Darmstadt University of Technology; Darmstadt Germany
3. Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University; East Lansing MI USA
4. Biophysics Department, GSI Helmholtzzentrum Schwerionenforschung GmbH; Darmstadt Germany