1. South African Astronomical Observatory, PO Box 9, Observatory 7935, Cape Town, South Africa
2. Southern African Large Telescope Foundation, PO Box 9, Observatory 7935, Cape Town, South Africa
3. Centre for Astrophysics and Supercomputing, Swinburne University of Technology, PO Box 218, H29, Hawthorn, VIC 3122, Australia
4. The Australian Research Council Centre of Excellence for Gravitational Wave Discovery (OzGrav), Australia
5. Australian Astronomical Observatory, 105 Delhi Rd, North Ryde NSW 2113, Australia
6. The Australian Research Council Centre of Excellence for All-Sky Astrophysics (CAASTRO), Australia
7. M.V.Lomonosov Moscow State University, Sternberg Astronomical Institute, Universitetsky pr., 13, Moscow, 119234, Russia
8. Warsaw University Astronomical Observatory, Al. Ujazdowskie 4, PL-00-478, Warszawa, Poland
9. M.V.Lomonosov Moscow State University, Physics Department, Leninskie gory, GSP-1, Moscow, 119991, Russia
10. Yunnan Observatories, Chinese Academy of Sciences, 650011 Kunming, Yunnan Province, China
11. Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, 100012 Beijing, China
12. Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011 Kunming, China
13. Department of Astronomy, University of Cape Town, Private Bag X3, Rondebosch 7701, South Africa
14. Department of Astrophysics, American Museum of Natural History, Central Park West and 79th Street, New York, NY 10024, USA
15. Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA, UK