1. Inter-University Centre for Astronomy and Astrophysics, Pune, India
2. Indian Institute of Technology Bombay, Mumbai, India
3. Dr. Karl Remeis-Sternwarte and Erlangen Centre for Astroparticle Physics, Sternwartstrasse 7, D-96049 Bamberg, Germany
4. European Space Astronomy Centre (ESAC), Science Operations Departement, 28692 Villanueva de la Cañada, Madrid, Spain
5. CRESST, Department of Physics, and Center for Space Science and Technology, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD 21250, USA
6. NASA Goddard Space Flight Center, Astrophysics Science Division, Code 661, Greenbelt, MD 20771, USA
7. Space Sciences Laboratory, 7 Gauss Way, University of California, Berkeley, CA 94720-7450, USA