1. European Southern Observatory, Karl Schwarzschild Straße 2, D-85748 Garching, Germany
2. Department of Physics, University of Warwick, Coventry CV4 7AL, UK
3. Institute of Astronomy, University of Cambridge, Cambridge CB3 0HA, UK
4. School of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ, UK
5. Department of Astronomy, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USA
6. School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, UK
7. Institut für Physik und Astronomie, Universitätsstandort Golm, Karl-Liebknecht-Straße 24/25, D-14476 Potsdam, Germany
8. Instituto de Física y Astronomía, Millennium Nucleus for Planet Formation (NPF), Universidad de Valparaíso, 2360102 Valparaiso, Chile
9. Institute for Gravitational Wave Astronomy, School of Physics and Astronomy, West Office 237, Birmingham B15 2TT, Edgbaston, UK
10. Department of Physics, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand
11. Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599-3255, USA
12. Southern Operations Center, Gemini Observatory, Casilla 603, La Serena, Chile
13. Department of Astronomy, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa
14. South African Astronomical Observatory, PO Box 9, Observatory 7935, Cape Town, South Africa
15. Department of Physics and Astronomy, Texas Tech University, Lubbock, TX 79409-1051, USA