Luca Bonetti (Observatoire des Sciences de l'Univers en région Centre, UMS 3116, Université d'Orléans, 1A rue de la Férollerie, Orléans, 45071, France, Laboratoire de Physique et Chimie de l'Environnement et de l'Espace, UMR 7328, Centre Nationale de la Recherche Scientifique, LPC2E, Campus CNRS, 3A Avenue de la Recherche Scientifique, Orléans, 45071, France, Pôle de Physique, Collegium Sciences et Techniques, Université d'Orléans, Rue de Chartres, Orléans, 45100, France); John Ellis (Theoretical Particle Physics and Cosmology Group, Physics Department, King's College London, Strand, London, WC2R 2LS, United Kingdom, Theoretical Physics Department, CERN, Genève 23, CH-1211, Switzerland); Nikolaos E. Mavromatos (Theoretical Particle Physics and Cosmology Group, Physics Department, King's College London, Strand, London, WC2R 2LS, United Kingdom, Theoretical Physics Department, CERN, Genève 23, CH-1211, Switzerland); Alexander S. Sakharov (Department of Physics, New York University, 4 Washington Place, New York, NY, 10003, United States, Physics Department, Manhattan College, 4513 Manhattan College Parkway, Riverdale, NY, 10471, United States, Experimental Physics Department, CERN, Genève 23, CH-1211, Switzerland); Edward K. Sarkisyan-Grinbaum (Experimental Physics Department, CERN, Genève 23, CH-1211, Switzerland, Department of Physics, The University of Texas at Arlington, 502 Yates Street, Box 19059, Arlington, TX, 76019, United States); et al - Show all 6 authors