[1] Univ Oxford, Denys Wilkinson Bldg,Keble Rd, Oxford OX1 3RH, England
[2] Max Planck Inst Astrophys, Karl Schwarzschild Str 1, D-85741 Garching, Germany
[3] Univ Lisbon, Inst Astrofis & Ciencias Espaco, Fac Ciencias, Edificio C8,Campo Grande, P-1749016 Lisbon, Portugal
[4] Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China
[5] Leiden Univ, Inst Lorentz, POB 9506, NL-2300 RA Leiden, Netherlands
[6] Univ Chicago, Kavli Inst Cosmol Phys, Enrico Fermi Inst, Chicago, IL 60637 USA
[7] KTH Royal Inst Technol, NORDITA, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden
[8] LBL, Berkeley Ctr Cosmol Phys, Berkeley, CA 94720 USA
[9] Univ Calif Berkeley, Berkeley, CA 94720 USA
[10] IPN, Ctr Invest & Estudios Avanzados, Dept Fis, AP 14-740, Ciudad De Mexico 07000, Mexico
[11] Univ Western Cape, Dept Phys & Astron, ZA-7535 Cape Town, South Africa
[12] Alma Mater Studiorum Univ Bologna, Dipartimento Fis & Astron, Viale Berti Pichat 6-2, I-40127 Bologna, Italy
[13] INAF IASF Bologna, Via Gobetti 101, I-40129 Bologna, Italy
[14] Ist Nazl Fis Nucl, Sez Bologna, Via Berti Pichat 6-2, I-40127 Bologna, Italy
[15] Univ Manchester, Sch Phys & Astron, Jodrell Bank Ctr Astrophys, Manchester M13 9PL, Lancs, England
[16] Univ Grenoble Alpes, CNRS, IN2P3, Lab Phys Subatom & Cosmol, 53 Ave Martyrs, F-38026 Grenoble, France
[17] Cardiff Univ, Sch Phys & Astron, Cardiff CF24 3AA, S Glam, Wales
[18] Univ Geneva, Dept Phys Theor, 24 Quai Ansermet, CH-1211 Geneva 4, Switzerland
[19] Univ Geneva, Ctr Astroparticle Phys, 24 Quai Ansermet, CH-1211 Geneva 4, Switzerland
[20] Sun Yat Sen Univ, Sch Phys & Astron, 2 Daxue Rd, Zhuhai 519082, Peoples R China
[21] Ecole Polytech Fed Lausanne, Inst Phys, LPPC, CH-1015 Lausanne, Switzerland
[22] Russian Acad Sci, Inst Nucl Res, 60th October Anniversary Prospect 7a, Moscow 117312, Russia
[23] Rhein Westfal TH Aachen, Inst Theoret Particle Phys & Cosmol TTK, D-52056 Aachen, Germany
[24] Univ Durham, Dept Phys, Inst Computat Cosmol, Durham DH1 3LE, England
[25] Heidelberg Univ, Inst Theoret Phys, Philosophenweg 16, D-69120 Heidelberg, Germany
[26] CEICO, Fyzikalni Ustav Akad CR, Na Slovance 1999-2, Prague 18221, Czech Republic
[27] Univ Cyprus, Dept Phys, 1 Panepistimiou St, CY-2109 Aglantzia, Cyprus
[28] CNRS, UMR7095, Inst Astrophys Paris, CNRS, 98 Bis Blvd Arago, F-75014 Paris, France
[29] Univ Paris 06, UPMC, UMR7095, 98 Bis Blvd Arago, F-75014 Paris, France
[30] Sorbonne Univ, ILP, 98 Bis Blvd Arago, F-75014 Paris, France
[31] Univ Paris Saclay, CNRS, Inst Phys Theor, CEA, F-91191 Gif Sur Yvette, France