1 Department of Anaesthesiology and Critical Care Medicine, Merheim Medical Center, Witten/Herdecke University, Cologne, Germany; German Aerospace Center (DLR), Institute of Aerospace Medicine Cologne, Germany. Electronic address: [email protected].
2 Department of Radiology, Merheim Medical Center, Cologne, Germany.
3 Department of Cardiology, Merheim Medical Center, Cologne, Germany.
4 Department of Anaesthesiology and Critical Care Medicine, Merheim Medical Center, Witten/Herdecke University, Cologne, Germany.