1. Department of Earth and Environmental Sciences Macquarie University Sydney Australia
2. Department of Physics University of Toronto Toronto Canada
3. Research School of Earth Sciences The Australian National University Canberra Australia
4. State Key Laboratory of Geodesy and Earth's Dynamics Innovation Academy for Precision Measurement Science and Tecnology Chinese Academy of Sciences Wuhan China
5. School of Physical and Mathematical Sciences Division of Mathematical Sciences Nanyang Technological University Singapore Singapore
6. Asian School of the Environment Nanyang Technological University Singapore Singapore
7. Department of Earth Sciences University of Toronto Toronto Canada