1. CLPU, Centro de Laseres Pulsados, Building M5, Science Park, Calle Adaja 8, 37185 Villamayor, Salamanca, Spain
2. Universidad de Salamanca, Patio de Escuelas 1, 37008 Salamanca, Spain
3. University of Alberta, 116 St 85 Ave., Edmonton, Alberta T6G 2R3, Canada
4. CELIA, Centre des Laser Intenses et Applications, 351, Cours de la Libération, F-33405 Talence Cedex, France
5. IPPLM, Institute of Plasma Physics and Laser Microfusion, 23 Hery Str., 01-497 Warsaw, Poland
6. Laser-Plasma Chair at the University of Salamanca, Patio de Escuelas 1, 37008 Salamanca, Spain