1. Institute for Energy and Climate Research, Forschungszentrum Jülich, EURATOM Association Trilateral Euregio Cluster, Jülich, Germany
2. Institut für Hochleistungsimpuls und Mikrowellentechnik, Forschungszentrum Karlsruhe GmbH Association Euratom-FZK, Karlsruhe, Germany
3. ITER Organization, Route de Vinon sur Verdon, 13115 Saint Paul Lez Durance, France
4. Kyushu University, Interdisciplinary Graduate School of Engineering Science Hakozaki 6-10-1, Higashiku, Fukuoka 812-8581, Japan
5. Osaka University, Graduate School of Engineering, Osaka 565-0871, Japan