1. Seismological Laboratory University of California Berkeley California USA
2. Centro Sismológico Nacional Universidad de Chile Santiago Chile
3. Cecil H. and Ida M. Green Institute of Geophysics and Planetary Physics, Scripps Institution of Oceanography University of California, San Diego La Jolla California USA
4. GNSS Center Wuhan University Wuhan China
5. Departamento de Geofísica Universidad de Chile Santiago Chile
6. Instituto Geográfico Militar Santiago Chile
7. School of Earth Sciences Ohio State University Columbus Ohio USA
8. Now at National Geodetic Survey National Oceanographic and Atmospheric Administration Silver Spring Maryland USA
9. Laboratoire de Géologie École Normale Supérieure Paris France
10. Helmholtz Centre, GFZ German Research Centre for Geosciences Potsdam Germany
11. CERI University of Memphis Memphis Tennessee USA