[1] Tel Aviv Univ, Raymond & Beverly Sackler Sch Phys & Astron, Tel Aviv, Israel
[2] Pontificia Univ Catolica Chile, Santiago, Chile
[3] Belarusian State Univ, Natl Sci & Educ Ctr Particle & High Energy Phys, Minsk, BELARUS
[4] CERN, Geneva, Switzerland
[5] Monash Univ, Melbourne, Vic, Australia
[6] Univ Geneva, DPNC, Geneva, Switzerland
[7] Argonne Natl Lab, 9700 S Cass Ave, Argonne, IL 60439 USA
[8] Lab Annecy le Vieux Phys Particules, Annecy Le Vieux, France
[9] Univ Melbourne, Melbourne, Vic, Australia
[10] Univ Valencia, CSIC, IFIC, Valencia, Spain
[11] Univ Belgrade, Vinca Inst Nucl Sci, Belgrade, Serbia
[12] Univ Liverpool, Liverpool, Merseyside, England
[13] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland
[14] Univ Oxford, Oxford, England
[15] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland
[16] Univ Bergen, Dept Phys & Technol, Bergen, Norway
[17] Inst Space Sci, Bucharest, Romania
[18] Max Planck Inst Phys & Astrophys, Munich, Germany
[19] DESY, Hamburg, Germany
[20] Univ Bristol, Bristol, Avon, England
[21] Univ Cambridge, Cavendish Lab, Cambridge, England
[22] Univ Edinburgh, Edinburgh, Midlothian, Scotland
[23] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England
[24] Univ Warsaw, Fac Phys, Warsaw, Poland
[25] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic
[26] Univ Cantabria, CSIC, IFCA, Santander, Spain
[27] KIT, IPE, Karlsruhe, Germany
[28] Univ Glasgow, Glasgow, Lanark, Scotland
[29] Univ Barcelona, Barcelona, Spain
[30] Aarhus Univ, Aarhus, Denmark
[31] Univ Michigan, Dept Phys, Ann Arbor, MI 48109 USA
[32] Univ Bonn, Bonn, Germany
[33] European XFEL GmbH, Hamburg, Germany
[34] Vienna Univ Technol, Vienna, Austria
[35] Paul Scherrer Inst, Villigen, Switzerland
[36] Pacific Northwest Natl Lab, Richland, WA USA
[37] Univ Wuppertal, Wuppertal, Germany