1. ITER Organization, Route de Vinon-sur-Verdon, CS 90 046, 13067 St Paul-lez-Durance Cedex, France
2. CCFE, Culham Science Centre, Abingdon, Oxfordshire OX14 3DB, United Kingdom
3. Max-Planck-Institut für Plasmaphysik, EURATOM-Association, Boltzmanstraße 2, D-85748 Garching, Germany
4. H H Wills Physics Laboratory, University of Bristol, Royal Fort, Tyndall Avenue, Bristol BS8 1TL, United Kingdom
5. Japan Atomic Energy Agency, Naka, Ibaraki 311-0193, Japan
6. Nippon Advanced Technology Co., Ltd, Naka, Ibaraki 311-0102, Japan