1. Laboratory of Biomedical Technologies, Agenzia Nazionale per le Nuove Tecnologie, l'Energia e lo Sviluppo Economico Sostenibile (ENEA), Rome, Italy
2. National Public Health Center - National Research Directorate for Radiobiology and Radiohygiene, Budapest, Hungary
3. Institute of Radiation Biology, Helmholtz Zentrum Munchen, German Research Center for Environmental Health GmbH, Neuherberg, Germany
4. Present address: Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
5. Physiology Unit, School of Medicine, IISPV, Rovira I Virgili University (URV), Reus, Spain
6. Institute of Radiation Biology, Technical University Munich, Munich, Germany
7. Research Unit Protein Science, Helmholtz Zentrum München, German Research Center for Environmental Health GmbH, Neuherberg, Germany
8. Radiobiology Unit, Belgian Nuclear Research Centre, SCK•CEN, Belgium