1. LLC, NeuroStat Analytical Solutions , Great Falls, VA 22066, USA
2. Aerospace Medicine Department, U.S. Air Force School of Aerospace Medicine , Wright-Patterson Air Force Base, OH 45433-7913, USA
3. Department of Neurology, Brooke Army Medical Center , Fort Sam Houston, TX 78234, USA
4. Department of Aviation, University of North Dakota , Grand Forks, ND 58202, USA
5. Department of Neurology, Neurological Institute of New York, Columbia University Medical Center , New York, NY 10033, USA