1. Earth Observatory of SingaporeNanyang Technological University Singapore
2. School of Earth and Space SciencesUniversity of Science and Technology of China Hefei China
3. Department of Earth and Space SciencesSouthern University of Science and Technology Shenzhen China
4. Asian School of the EnvironmentNanyang Technological University Singapore
5. Department of GeosciencesPrinceton University Princeton NJ USA
6. State Key Laboratory of Geodesy and Earth's DynamicsInstitute of Geodesy and Geophysics Wuhan China