1 Departamento de Física Teórica Atómica y Óptica, Universidad de Valladolid, Valladolid, Spain
2 Université de Bordeaux-CNRS-CEA, Centre Lasers Intenses et Applications (CELIA), UMR 5107, Talence, France
3 European XFEL GmbH, Schenefeld, Germany
4 Laboratory for Laser Energetics, Rochester, New York, USA
5 CEA-DAM, DIF, Arpajon, France
6 University of Michigan, Ann Arbor, Michigan, USA
7 Los Alamos National Laboratory, Los Alamos, New Mexico, USA
8 Lawrence Livermore National Laboratory, Livermore, California, USA
9 Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany
10 Technische Universität Dresden, Dresden, Germany
11 Institute of Physics of the ASCR, Prague, Czech Republic
12 CEA-CESTA, CS 60001, Le Barp Cedex, France
13 Blackett Laboratory, Imperial College London, London, UK
14 Department of Astrophysics and Astronomy, The Johns Hopkins University, Baltimore, Maryland, USA
15 Center for Energy Research, University of California San Diego, San Diego, California, USA
