Paul Andreas Walker1, P. D. Alesini2, Alexandra Alexandrova3,4, M.P. Anania2, N. E. Andreev5,6, I. A. Andriyash7, Alexander Aschikhin1, R. Aßmann1, Thomas Audet8, A. Bacci9, Imre Ferenc Barna10, A. Beaton11, Arnaud Beck12, A. Beluze13, A. Bernhard14, S. Bielawski15, F. Bisesto2, J Boedewadt1, F. Brandi16, O. Bringer17, R. Brinkmann1, Erik Bründermann14, M. Büscher18, Michael Bußmann19, Giancarlo Bussolino16, Antoine Chancé17, Jean-Christophe Chanteloup13, Min Chen20, E. Chiadroni2, A. Cianchi21, James Clarke3,22, J. M. Cole23, Marie-Emmanuelle Couprie7, M. Croia2, B. Cros8, John Dale1, G. Dattoli24, Nicolas Delerue25, O. Delferrière17, P. Delinikolas11, J. M. Dias26, Ulrich Dorda1, Klaus Ertel27, Á. Ferran Pousa1,28, M. Ferrario2, F. Filippi2, J. Fils17,29, R. Fiorito3,4, Ricardo Fonseca26, M. Galimberti27, A. Mostacci2, D. Garzella17, Philippe Gastinel17, D. Giove9, A. Giribono2, L. A. Gizzi16,30, F. Grüner31,28, A. F. Habib1, Leon Haefner32, T. Heinemann1,11,28, V. Yakimenko3,11, Bernhard Holzer33, S. M. Hooker34,35, Tomonao Hosokai36, A. Irman19, D. A. Jaroszynski11, S. Jaster-Merz1,28, C. Joshi37, Malte C. Kaluza38,39, M. Kando40, O. Karger28, S. Karsch41, Е. А. Хазанов42, Danila Khikhlukha43, A. Knetsch28, Dariusz Kocoń43, P. Koester16, Olena Kononenko1, G. Korn43, I. Yu. Kostyukov42, L. Labate16,30, Christoph Lechner1, Wim Leemans44, A. Lehrach18, Feiyu Li11, X Li17, V. Libov28, A. Lifschitz45, Vladimir Litvinenko46,47, W. Lu48, Andreas R. Maier31,28, V. Malka45, G. G. Manahan11, S. P. D. Mangles23, Barbara Marchetti1, A. Marocchino49, Francesco Addeo28, J. L. Martins26, F. Massimo45, Fabrice Mathieu13, G. Maynard8, Timon Mehrling1, Alexander Molodozhentsev43, A. Mosnier17, Anke-Susanne Müller14, Z. Najmudin23, Phu Anh Phi Nghiem17, N. Shumeiko24, Pardis Niknejadi1, Jens Osterhoff1, Dimitrios Papadopoulos13, Barbara Patrizi50, Rajeev Pattathil27, V. Petrillo9, Mihály András Pocsai10, Kristjan Põder1, R. Pompili2, L. Pribyl43, D. V. Pugacheva5,6, S. Romeo2, Andrea Rossi9, Eléonore Roussel7, Aakash A. Sahai23, Paul Scherkl11, U. Schramm19, C. B. Schroeder44, J. Schwindling17, J. Scifo2, L. Serafini9, Z. M. Sheng11,20, L. O. Silva26, Thales Silva26, Claire Simon17, Ujjwal Sinha26, A. Specka12, M. J. V. Streeter51, E N Svystun1, A. G. R. Thomas27, C. Szwaj15, Gabriele Tauscher1, Neil Thompson3,22, Guido Toci50, P. Tomassini16, C. Vaccarezza2, Matteo Vannini50, J. Vieira26, F. Villa2, C.-G. Wahlström52, R. Walczak34,35, Maria Weikum1,11, Carsten Welsch3,4, C. Wiemann18, Joseph Wolfenden3,4, Guoxing Xia3,53, Makina Yabashi54, Linpeng Yu20, Jun Zhu1, A. Zigler55
1Deutsches Elektronen-Synchrotron, 22607 Hamburg, Germany
2INFN Laboratori Nazionali di Frascati, 00044 Frascati, Rome, Italy
3Cockcroft Institute, Warrington WA4 4AD, UK
4University of Liverpool, Liverpool L69 7ZE, UK
5JIHT, Moscow, 125412, Russia
6Moscow Institute of Physics and Technology, Dolgoprudny 141701, Russia
7Synchrotron SOLEIL, Gif-sur-Yvette 91192, France
8LPGP, CNRS, Univ. Paris-Sud, Université Paris-Saclay, 91405 Orsay, France
9INFN Sezione di Milano, Milan, Italy
10Wigner Research Centre for Physics, Budapest, Hungary
11SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, UK
12LLR, CNRS, Ecole Polytechnique, Palaiseau and Université Paris Saclay, France
13LULI, Ecole Polytechnique, CNRS, CEA, UPMC, 91128 Palaiseau, France
14Karlsruhe Institute of Technology, 76131, Karlsruhe, Germany
15PHLAM, UMR-CNRS 8523, Université de Lille, France
16CNR Istituto Nazionale di Ottica, 56124 Pisa, Italy
17CEA, IRFU, SACM, Université Paris Saclay, F-91191 Gif-sur-Yvette, France
18Forschungszentrum Jülich, 52428 Jülich, Germany
19Helmholtz Institute Dresden-Rossendorf, 01328 Dresden, Germany
20Shanghai Jiao Tong University, Shanghai 200240, P.R. China
21University of Rome Tor Vergata, 00173 Rome, Italy
22STFC Daresbury Laboratory, Sci-Tech Daresbury, Warrington, U.K.
23John Adams Institute, Blackett Laboratory, Imperial College London, UK
24ENEA, Centro Ricerche Frascati, 00044 Frascati, Rome, Italy
25LAL, CNRS/IN2P3 Univ. Paris Sud, Orsay, and Université Paris Saclay, France
26GoLP/Instituto de Plasmas e Fusäo Nuclear, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
27Central Laser Facility, RAL, Didcot, Oxfordshire OX11 0QX, UK
28Universität Hamburg, 22761 Hamburg, Germany
29GSI Helmholtzzentrum für Schwerionenforschung, 64291 Darmstadt, Germany
30INFN Sezione di Pisa, Italy
31Center for Free Electron Laser Science, 22607 Hamburg, Germany
32Lawrence Livermore National Laboratory, Livermore, CA 94550, United States
33CERN, 1211 Geneva 23, Switzerland
34John Adams Institute, Oxford University, UK
35University of Oxford, Oxford, OX1 2JD, UK
36Osaka University, Osaka Prefecture, 565-0871, Japan
37University of California Los Angeles, Los Angeles, CA 90095 USA
38Helmholtz Institute Jena, 07743 Jena, Germany
39Institut für Optik und Quantenelektronik, 07743 Jena, Germany
40KPSI-QST, Kyoto 619-0215, Japan
41Ludwig-Maximilians-Universität München, 80802 Munich, Germany
42IAP RAS, Nizhnij Novgorod, 603155, Russia
43ELI-Beamlines, Dolni Brezany, Czech Republic
44Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
45LOA, ENSTA-CNRS-École Polytechnique UMR 7639, Palaiseau F-91761, France
46Brookhaven National Laboratory, Upton, NY 11973 USA
47Stony Brook University, Stony Brook, NY 11794, USA
48Tsinghua University, Beijing 100084, P.R. China
49Sapienza, University of Rome, 00161, Rome, Italy
50CNR Istituto Nazionale di Ottica, I-50019 Sesto Fiorentino, Italy
51Lancaster University, Lancaster, LA1 4YB, UK
52Lund University, 223 62, Lund, Sweden
53University of Manchester, Manchester M13 9PL, UK
54RIKEN SPring-8 Center, Hyogo 679-5148, Japan
55Hebrew University of Jerusalem, Jerusalem, Israel
