1. Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada
2. Waterloo Centre for Astrophysics, University of Waterloo, Waterloo, Ontario N2L3G1, Canada
3. European Southern Observatory, Karl-Schwarzschild-Str 2, D-85748 Garching, Germany
4. INAF – Osservatorio astronomico di Padova, Vicolo Osservatorio 5, I-35122 Padova, Italy
5. Department of Physics and Astronomy, The University of Kansas, 1251 Wescoe Hall Drive, Lawrence KS 66045, USA
6. Department of Physics and Astronomy, York University, 4700 Keele Street, Toronto, Ontario MJ3 1P3, Canada
7. Department of Physics and Astronomy, University of California, Irvine, 4129 Frederick Reines Hall, Irvine, CA 92697, USA
8. School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, England
9. INAF – Osservatorio Astronomico di Trieste, via G. B. Tiepolo 11, I-34143 Trieste, Italy
10. IFPU – Institute for Fundamental Physics of the Universe, via Beirut 2, I-34014 Trieste, Italy
11. Departamento de Astronomía, Facultad de Ciencias Físicas y Matemáticas, Universidad de Concepción, Concepción, Chile
12. Department of Physics and Astronomy, University of California, Riverside, 900 University Avenue, Riverside, CA 92521, USA
13. Departamento de Ingeniería Informática y Ciencias de la Computación, Universidad de Concepción, Concepción, Chile
14. Department of Physics, University of Helsinki, Gustaf Hällströmin katu 2a, FI-00014 Helsinki, Finland
15. Laboratoire d’astrophysique, École Polytechnique Fédérale de Lausanne (EPFL), CH-1290 Sauverny, Switzerland
16. GEPI, Observatoire de Paris, Université PSL, CNRS, Place Jules Janssen, F-92190 Meudon, France
17. Research School of Astronomy and Astrophysics, The Australian National University, ACT 2601, Australia
18. Centre for Gravitational Astrophysics, College of Science, The Australian National University, ACT 2601, Australia
19. Departamento de Ciencias Físicas, Universidad Andres Bello, Fernandez Concha 700, Las Condes 7591538, Santiago, Región Metropolitana, Chile
20. European Space Agency (ESA), European Space Astronomy Centre, Villanueva de la Cañada, E-28691 Madrid, Spain
21. Centro de Estudios de Física del Cosmos de Aragón, San Juan, 1 Planta-2, E-44001 Teruel, Spain
22. Department of Astronomy & Astrophysics, University of Toronto, Toronto, M5S 3H4, Canada
23. Steward Observatory and Department of Astronomy, University of Arizona, Tucson, AZ 85721, USA