[1] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA
[2] Univ Calif Los Angeles, Los Angeles, CA 90024 USA
[3] Univ Calif San Diego, La Jolla, CA 92093 USA
[4] Gen Atom Co, San Diego, CA 92138 USA
[5] MIT, Plasma Sci & Fus Ctr, Cambridge, MA 02139 USA
[6] Univ Washington, Seattle, WA 98195 USA
[7] Lawrence Livermore Natl Lab, Livermore, CA 94550 USA
[8] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA
[9] Sandia Natl Labs, Livermore, CA 94550 USA
[10] Univ Wisconsin, Madison, WI 53706 USA
[11] USN, Res Lab, Washington, DC 20375 USA
[12] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA