1. LIENSs UMR 7266 CNRSUniversity of La Rochelle La Rochelle France
2. Department of Earth and Environmental SciencesVanderbilt University Nashville TN USA
3. Dipartimento di Scienze Pure e ApplicateUniversity of Urbino “Carlo Bo” Urbino Italy
4. LEGOS UMR5566/CNRS/CNES/IRD/UPS Toulouse France
5. School of Earth SciencesOhio State University Columbus OH USA
6. Institute of Geodesy and GeophysicsChinese Academy of Sciences Wuhan China
7. Institute of Water Modelling Dhaka Bangladesh