1. Research Group Astrobiology, Radiation Biology Department, Institute of Aerospace Medicine, Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR), Cologne, Germany.
2. Department of Internal Medicine, Radboud University Medical Center, Nijmegen, Netherlands.
3. Radboud Center for Infectious Diseases, Radboud University Medical Center, Nijmegen, Netherlands.
4. Laboratory of Medical Immunology, Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, Netherlands.
5. Department for Immunology and Metabolism, Life and Medical Sciences Institute (LIMES), University of Bonn, Bonn, Germany.