J. Allen, B. Alves, J. Arling, K. Augsten, E. Bagnaschi, G. Benato, Anna Bennecke, C. Borca, Paulo Braz, Lydia Brenner, J. Degens, Yannick Dengler, C. Dimitriadi, E. Diociaiuti, L. Dufour, P. Dunne, O. Etisken, S. F. Ravasio, N. Fomin, Andrea Alonso, Leif Gellersen, A. Gsponer, T. Herman, B. Hiti, L. Huhta, A. Ilg, Katevrina Jarkovsk'a, J. Jovicevic, L. Keszeghova, H. Kirschenmann, S. Klaver, Arman Korajac, A. Kotsokechagia, M. Küßner, A. Lelek, G. Lospalluto, P. Major, Veljko Maksimovic, Jakub Malczewski, C. Benito, P. Suarez, V. Milošević, Atanu Modak, A. M. Tarda, Laura Moreno Valero, E. Niel, N. Nikiforou, Anja Novosel, P. Paakkinen, H. Pacey, Rute Pedro, Marko Pesut, G. Pietrzyk, Michael Pitt, V. Placinta, A. Dash, G'eraldine Rauber, M. Shopova, Radoslav Someonov, S. Simsek, K. Skovpen, Filomena Sopkova, Fernando Souza, E. Norella, M. Urbaniak, L. Gomez, Erik Wallin, V. Zaccolo, N. Zardoshti, G. Z. U. O. Edinburgh, Edinburgh, United Kingdom, É. Polytechnique, Ile-de-France, France, Deutsches Elektronen-Synchrotron Desy, Hamburg, Germany, Faculty of Nuclear Sciences, Physical Engineering, C. Prague, Prague, Czech Republic, Cern, Geneva, Switzerland, Infn Laboratori Nazionali del Gran Sasso, L’Aquila, Italy, U. C. Louvain, Brussels, Belgium, U. Torino, Infn, Turin, Institute for Particle Physics, U. Graz, Graz, Austria, Nikhef National Institute for Subatomic Physics, U. Amsterdam, Amsterdam, Netherlands, Uppsala University, Uppsala, Sweden, National Laboratory of Frascati, Frascati, Blackett Laboratory, Imperial College London, London, K. University, Kirrikale, Turkey, Universityof Bergen, Bergen, Norway, Lund University, Lund, I. Physics, A. A. O. Sciences, Vienna, D. Physics, J. S. Institute, D. Physics, U. Ljubljana, Ljubljana, Slovenia., U. Jyvaskyla, Helsinki Institute of Physics, U. Helsinki, Helsinki, Finland, Physik-Institut, U. Zurich, Zúrich, Faculty of Mathematics, Physics, C. University, I. Physics, U. Belgrade, Belgrade, Serbia, Informatics, Comenius University, Bratislava, Slovakia, Irfu, Cea, Universit'e Paris-Saclay, Gif-sur-yvette, I. Experimentalphysik, Ruhr-Universitát Bochum, Universiteit Antwerpen, Antwerpen, Institute for Particle Physics, Astrophysics, Eth Zurich, MTA-ELTE Lendulet Cms Particle, Nuclear Physics Group, E. University, Budapešť, Hungary, H. S. F. O. N. Sciences, Krak'ow, Poland, Institut de Ciències del Cosmos, U. Barcelona, Barcelona, Spain, Institut de F'isica d'Altes Energies, Universidad Autonoma Barcelona, Beijing, China, R. Laboratory, Oxford, Niels Bohr Institute, U. Copenhagen, Copenhagen, Denmark, I. Physik, Westfalische Wilhelms-Universitat Munster, Munster, 'Ecole Polytechnique F'ed'erale de Lausanne, Lausanne, U. Oxford, Laborat'orio de Instrumentaccao e F'isica Experimental de Part', Lisboa, Portugal, Ben-Gurion University, Beer-Sheva, Israel, Horia Hulubei National Institute of Physics, Nuclear Engineering, Bucharest-Magurele, România, I. F. N. Research, Nucl. Energy, B. A. O. Sciences, Sofia, Bulgaria., Sofia University, I. University, Iṡtanbul, G. University, Ghent, Slovak Academy of Sciences, University of Genoa, Genoa, University of Silesia in Katowice, Katowice, Centro de Investigaciones Energ'eticas Medioambientales Y, Madrid, U. Trieste, Trieste