1. Department of Science and Technology (ITN), Linköpings University, Campus Norrköping, SE-60174 Norrköping, Sweden
2. Université de Bordeaux, CNRS, CEA, CELIA, Talence, France
3. Centre for Plasma Physics (CPP), Queen's University Belfast, Belfast BT7 1NN, United Kingdom
4. École Polytechnique, CNRS, LULI, F-91128 Palaiseau, France
5. École Normale Supérieure, Lyon, CRAL, UMR CNRS 5574, Université de Lyon, Lyon, France
6. ETSI Industriales, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
7. Instituto de Investigaciones Energeticas y Aplicaciones Industriales, Campus Universitario de Ciudad Real, 13071 Ciudad Real, Spain