1. Institute of Physiology and Anatomy, German Sport University Cologne, Cologne, Germany;
2. Institute of Movement and Neurosciences, German Sport University Cologne, Cologne, Germany;
3. Faculty of Science, Health, Education and Engineering, University of the Sunshine Coast, Maroochydore, Australia;
4. Center for Space Medicine and Extreme Environments, Institute for Physiology, Charité University Medicine, Berlin, Germany