1. Univ. Bordeaux, CNRS, CEA, CELIA (Centre Lasers Intenses et Applications), UMR 5107, F-33405 Talence, France
2. Department of Mechanical and Aerospace Engineering, University of California at San Diego, La Jolla, California 92093, USA
3. Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
4. Aix Marseille Univ., CNRS, PIIM, F-13013 Marseille, France
5. iUNAT, Departamento de Física, Univ. de Las Palmas de Gran Canaria, 35017 Las Palmas de Gran Canaria, Spain
6. Institute of Laser Engineering, Osaka University, 2-6 Yamada-oka, Suita, Osaka 565-0871, Japan
7. Departamento de Física Teórica, Atómica y Óptica, Universidad de Valladolid, 44071 Valladolid, Spain
8. ELI-Beamlines, Institute of Physics, Czech Academy of Sciences, za radnici 835, 25241 Dolní Břežany, Czech Republic
9. CEA, DAM, DIF, F-91297 Arpajon, France
10. ETSI Aeronáutica y del Espacio, Universidad Politécnica de Madrid, Plaza del Cardenal Cisneros 3, Madrid 28040, Spain
11. National Research Nuclear University MEPhI, 115409 Moscow, Russian Federation
12. Lebedev Physical Institute, 119333 Moscow, Russian Federation
13. LULI, UMR 7605, CNRS, Ecole Polytechnique, CEA, Université Paris-Saclay, UPMC: Sorbonne Universités, F-91128 Palaiseau Cedex, France
14. Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2BW, United Kingdom
15. Institute for Radiation Physics, Helmholtz-Zentrum Dresden-Rossendorf e.V., 01328 Dresden, Germany
16. Department of Physics, University of York, Heslington YO10 5DD, United Kingdom