1. Defense Advanced Research Projects Agency (DARPA), 3701 North Fairfax Drive, Arlington, VA 22203, USA.
2. Naval Research Laboratory, Washington, DC 20375, USA.
3. University of California, Department of Physics, Santa Barbara, CA 93106, USA.
4. Cornell University, Applied and Engineering Physics, 211 Clark Hall, Ithaca, NY 14853, USA.
5. NVE, 11409 Valley View Road, Eden Prairie, MN 55344, USA.
6. Florida State University, MARTECH, 406 Keen Building, Tallahassee, FL 32306, USA.
7. California Institute of Technology, Department of Physics, MS-114-36, Pasadena, CA 91125, USA.
8. Strategic Analysis, 3601 Wilson Boulevard, Suite 500, Arlington, VA 22201, USA.