Author affiliations
1 Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
2 INFN, Laboratori Nazionali di Frascati, 00044 Frascati, Rome, Italy
3 Cockcroft Institute, Warrington WA4 4AD, UK
4 University of Liverpool, Liverpool L69 7ZE, UK
5 JIHT, Moscow, 125412, Russia
6 Moscow Institute of Physics and Technology, Dolgoprudny, 141701, Russia
7 Synchrotron SOLEIL, Gif-sur-Yvette 91192, France
8 LPGP, CNRS, Univ. Paris-Sud, Université Paris-Saclay, 91405 Orsay, France
9 INFN, Sezione di Milano, Milan, Italy
10 Wigner Research Centre for Physics, Budapest, Hungary
11 SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, UK
12 LLR, CNRS, Ecole Polytechnique, Palaiseau and Université Paris Saclay, France
13 LULI, Ecole Polytechnique, CNRS, CEA, UPMC, 91128 Palaiseau, France
14 Karlsruhe Institute of Technology, 76131 Karlsruhe, Germany
15 PHLAM, UMR-CNRS 8523, Université de Lille, France
16 CNR Istituto Nazionale di Ottica, 56124 Pisa, Italy
17 CEA, IRFU, SACM, Université Paris Saclay, F-91191 Gif-sur-Yvette, France
18 Forschungszentrum Jülich, 52428 Jülich, Germany
19 Helmholtz Institute Dresden-Rossendorf, 01328 Dresden, Germany
20 Shanghai Jiao Tong University, Shanghai 200240, P. R. China
21 University of Rome Tor Vergata, 00173 Rome, Italy
22 STFC Daresbury Laboratory, Sci-Tech Daresbury, Warrington, U.K.
23 John Adams Institute, Blackett Laboratory, Imperial College London, UK
24 ENEA, Centro Ricerche Frascati, 00044 Frascati, Rome, Italy
25 LAL, CNRS/IN2P3 Univ. Paris Sud, Orsay, and Université Paris Saclay, France
26 GoLP/Instituto de Plasmas e Fusäo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
27 Central Laser Facility, RAL, Didcot, Oxfordshire OX11 0QX, UK
28 Universität Hamburg, 22761 Hamburg, Germany
29 GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
30 INFN, Sezione di Pisa, Italy
31 Center for Free Electron Laser Science, 22607 Hamburg, Germany
32 Lawrence Livermore National Laboratory, Livermore, CA 94550, United States
33 CERN, 1211 Geneva 23, Switzerland
34 John Adams Institute, Oxford University, UK
35 University of Oxford, Oxford OX1 2JD, UK
36 Osaka University, Osaka Prefecture, 565-0871, Japan
37 University of California Los Angeles, Los Angeles, CA 90095, USA
38 Helmholtz Institute Jena, 07743 Jena, Germany
39 Institut für Optik und Quantenelektronik, 07743 Jena, Germany
40 KPSI-QST, Kyoto 619-0215, Japan
41 Ludwig-Maximilians-Universität München, 80802 Munich, Germany
42 IAP RAS, Nizhnij Novgorod, 603155, Russia
43 ELI-Beamlines, Dolni Brezany, Czech Republic
44 Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
45 LOA, ENSTA-CNRS-École Polytechnique UMR 7639, Palaiseau F-91761, France
46 Brookhaven National Laboratory, Upton, NY 11973, USA
47 Stony Brook University, Stony Brook, NY 11794, USA
48 Tsinghua University, Beijing, 100084, P. R. China
49 Sapienza, University of Rome, 00161, Rome, Italy
50 CNR Istituto Nazionale di Ottica, I-50019 Sesto Fiorentino, Italy
51 Lancaster University, Lancaster LA1 4YB, UK
52 Lund University, 223 62 Lund, Sweden
53 University of Manchester, Manchester M13 9PL, UK
54 RIKEN SPring-8 Center, Hyogo, 679-5148, Japan
55 Hebrew University of Jerusalem, Jerusalem, Israel
