1. Department of Medicine and Physiology, Hunter Holmes McGuire Veterans Affairs Medical Center and Medical College of Virginia at Virginia Commonwealth University, Richmond, Virginia, USA
2. Department of Clinical Physiology, Kuopio University Hospital, Kuopio, Finland
3. Department of Physics, University of Turku, Turku, Finland
4. Department of Internal Medicine, University of Texas Southwestern Medical Center at Dallas, and the Institute for Exercise and Environmental Medicine, Presbyterian Hospital of Dallas, Dallas, TX, USA
5. Department of Biomedical Engineering and Biology, Michigan Technological University, Houghton, MI, USA
6. Department of Autonomic and Behavioral Neurosciences, Division of Higher Nervous Control, Research Institute of Environmental Medicine, Nagoya University, Nagoya, Japan
7. Department of Vanderbilt University Medical Center, Nashville, TN, USA
8. The Pennsylvania State University, University Park and Hershey, Pennsylvania, USA
9. National Space Biomedical Research Institute, Houston, TX, USA
10. Dartmouth Hitchcock Medical Center, Lebanon, NH, USA
11. DLR‐Institute for Aerospace Medicine, Cologne, Germany