1. US Army Research Laboratory, Sensors and Electron Devices Directorate, 2800 Powder Mill Road, Adelphi, MD 20783, USA
2. Federal Staffing Resources, 2200 Somerville Rd, Annapolis, MD 21401, USA
3. Oak Ridge Associated Universities, 4692 Millennium Drive, Suite 101, Belcamp, MD 21017, USA
4. US Army Research Laboratory, RDRL-WML-B, 4600 Deer Creek Loop, Aberdeen Proving Ground, MD 21005, USA