1. German Air Force Centre of Aerospace Medicine Fuerstenfeldbruck Germany
2. Department of Radiology Bundeswehr Central Hospital Koblenz Koblenz Germany
3. Department of Psychiatry University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania USA
4. German Aerospace Center (DLR) Institute of Aerospace Medicine Cologne Germany
5. Department of Cardiology University of Cologne Cologne Germany
6. Center of Clinical Neuroscience Neurological University Clinic Carl‐Gustav Carus Dresden Germany
7. Chair of Aerospace Medicine University of Cologne Cologne Germany
8. Department of Anesthesiology and Intensive Care Medicine, Merheim Medical Center, Hospitals of Cologne University of Witten/Herdecke Cologne Germany