1. National Institute for Fusion Science, Toki 509-5292, Japan
2. EURATOM/UAKEA Fusion Association, Culham Science Centre, Oxfordshire OX14 3DB, United Kingdom
3. Budker Institute of Nuclear Physics, 630090, Novosibirsk, Russia
4. Kyoto University, Department of Nuclear Engineering, Kyoto 606-8501, Japan
5. Max Planck Institut für Plasmaphysik, EURATOM-Association, D-17491 Greifswald, Germany
6. Chubu University, School of Engineering, Kasugai 487-8501, Japan
7. Japan Atomic Energy Agency, 801-1 Mukoyama, Naka 311-0193, Japan