1. CERN Radiation Protection, Geneva, Switzerland
2. Biophysics Department at GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, Darmstadt, Germany
3. Radiation Protection and Safety Department at GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, Darmstadt, Germany