1. NASA Ames Research Center, Moffett Field, CA 94035, USA
2. KBR, Houston, TX 77058, USA
3. Universities Space Research Association (USRA), Moffett Field, CA 94035, USA
4. Department of Physical Therapy & Rehabilitation Science, University of California, San Francisco, CA 94110, USA
5. Department of Neurological Surgery, University of California, San Francisco, CA 94110, USA
6. Department of Otolaryngology–Head and Neck Surgery, Johns Hopkins University, Baltimore, MD 21205, USA
7. Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences (USUHS), Bethesda, MD 20814, USA
8. Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
9. Department of Basic Sciences, Division of Biomedical Engineering Sciences (BMES), Loma Linda University Health, Loma Linda, CA 92354, USA
10. Integrative Neurochemistry Laboratory, Behavioral Biology Program, McLean Hospital-Harvard Medical School, Belmont, MA 02478, USA
11. NASA Johnson Space Center, Houston, TX 77058, USA