1. Radiation Biology Department, Institute of Aerospace Medicine, German Aerospace Center (DLR), Cologne, Germany.
2. RWTH Aachen University, University Hospital Aachen (UKA), Institute of Flight Medicine, Aachen, Germany.
3. Laboratoire “Lésions des Acides Nucléiques,” SCIB-UMR-E n°3 (CEA/UJF) Institut Nanosciences et Cryogénie CEA/Grenoble, Grenoble, France.
4. Department of Microbiology, University of Salzburg, Salzburg, Austria.
5. School of Physics and Astronomy, University of Edinburgh, Edinburgh, UK.