1. Department of Physics, University of Milan-Bicocca, Milan, Italy
2. Ioffe Institute, St. Petersburg, Russian Federation
3. Institute for Plasma Science and Technology, CNR, Milan, Italy
4. Laboratorio Nacional de Fusión, CIEMAT, Madrid, Spain
5. CEA, IRFM, Saint-Paul-lez-Durance, France
6. Laboratory for Plasma Physics, ERM/KMS, Brussels, Belgium
7. Culham Centre for Fusion Energy, United Kingdom Atomic Energy Authority, Abingdon, United Kingdom
8. Associacao EURATOM/IST, Universidade Tecnica de Lisboa, Lisbon, Portugal