1. Centre for Plasma Physics, School of Mathematics and Physics, Queen’s University Belfast, Belfast, BT7 1NN, United Kingdom
2. Central Laser Facility, Rutherford Appleton Laboratory, Didcot, Oxfordshire OX11 0QX, United Kingdom
3. Extreme Light Infrastructure (ELI-NP), and Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering (IFIN-HH), Str. Reatorului No. 30, 077125 Bucharest-Magurele, Romania
4. IGFAE, Universidade de Santiago de Compostela, 27002 Santiago de Compostela, Spain
5. Instituto de Fusion Nuclear, Universidad Politécnica de Madrid, 28040 Madrid, Spain
6. Department of Physics, The Ohio State University, Columbus, Ohio 43210, USA
7. LULI - CNRS, CEA, UPMC Univ Paris 06 : Sorbonne Université, Ecole Polytechnique, Institut Polytechnique de Paris - F-91128 Palaiseau cedex, France
8. Department of Physics, SUPA, University of Strathclyde, Glasgow, G4 0NG, United Kingdom
9. Department of Physics, Jagannath University, Dhaka 1100, Bangladesh
10. Department of Electrical and Computer Engineering, Colorado State University, Fort Collins, Colorado 80523, USA
11. Blackett Laboratory, Department of Physics, Imperial College, London, SW7 2AZ, United Kingdom
12. Department of Physics, University of Oxford, Oxford, OX1 3PU, United Kingdom
13. Institut für Kernphysik, Technische Universität Darmstadt, Schloßgartenstrasse 9, 64289 Darmstadt, Germany
14. Helmholtz Institut Jena, 07743 Jena, Germany
15. Institute for Quantumoptics, University of Jena, 07743 Jena, Germany
16. GSI GmbH, 64291 Darmstadt, Germany
17. Department of Mathematics and Physics, Shanghai Normal University, Shanghai 200234, China