1. Rensselaer Polytechnic Institute, Department of Mechanical Aerospace and Nuclear Engineering, Troy, New York, United States
2. Massachusetts Institute of Technology, Department of Aeronautics and Astronautics, Cambridge, Massachusetts, United States
3. Massachusetts Institute of Technology, LIGO Laboratory, Cambridge, Massachusetts, United States
4. Australian National University, Research School of Astronomy and Astrophysics, Canberra, Australian Capital Territory, Australia
5. University of Michigan, Department of Astronomy, Ann Arbor, Michigan, United States