1. Albert-Einstein-Institute/Max-Planck-Institute for Gravitational Physics, D-30167 Hanover, Germany
2. Leibniz Universität Hannover, D-30167 Hanover, Germany
3. School of Physics and Astronomy and Institute of Gravitational Wave Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT, United Kingdom
4. Scottish Universities Physics Alliance, School of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, United Kingdom