1. University of Texas, Austin, Texas 78712, USA
2. Oak Ridge Associated Universities, Oak Ridge, Tennessee 37831, USA
3. General Atomics, P.O. Box 85608, San Diego, California 92186-5608, USA
4. Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
5. University of California Irvine, Irvine, California 92697, USA
6. Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543, USA
7. Lawrence Livermore National Laboratory, 7000 East Ave, Livermore, California 94550-9234, USA
8. University of Wisconsin-Madison, Madison, Wisconsin 53706, USA
9. Oak Ridge National Laboratory, P.O. Box 2008, Oak Ridge, Tennessee 37831, USA