1. ISAE-SUPAERO, Université de Toulouse, Toulouse, France
2. Centre National d’Études Spatiales (CNES), Toulouse, France
3. NASA Goddard Space Flight Center (NASA GSFC), Greenbelt, MD, USA
4. NASA Postdoctoral Program (NPP), NASA Goddard Space Flight Center (NASA GSFC), Greenbelt, MD, USA