1. General Atomics, P.O. Box 85608 San Diego, California 92186-5608, USA
2. Palomar Scientific Instruments, San Marcos, California 92069, USA
3. National Institute for Fusion Science, Gifu 509-5292, Japan
4. Department of Physics and Astronamy, University of California Los Angeles, Los Angeles, California 90095, USA
5. Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543-0451, USA
6. California State University, San Marcos, California 92096, USA
7. ITER Organization, 13067 Saint Paul Lez Durance Cedex, France