1. U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005, USA.
2. J. Mike ‘66 Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843, USA.
3. General Dynamics Information Technology, JBSA Fort Sam Houston, San Antonio, TX 78234, USA.
4. Air Force Research Laboratory, 711th Human Performance Wing, Airman Systems Directorate, Bioeffects Division, Radio Frequency Bioeffects Branch, JBSA Fort Sam Houston, San Antonio, TX 78234, USA.