1. Jet Propulsion Laboratory, California Institute of Technology
2. JPL
3. Universität der Bundeswehr München, Germany
4. Kyoto Sangyo University
5. National Institute of Standards & Technology
6. Observatoire Géodésique de Tahiti
7. University of Colorado
8. Università di Roma, Italy
9. Universität zu Köln, Germany
10. Centre National d'Etudes Spatiales, France
11. Massachusetts Institute of Technology
12. Space Physics Lab., VSSC, Trivandrum, India
13. Observatoire Royal de Belgique
14. Université de Nantes, France
15. Università di Roma (Sapienza), Italy
16. University of California, Berkeley
17. Università degli Studi di Padova, Italy
18. NASA/Goddard Space Flight Center
19. Wellesley College
20. NASA/Goddard Space Flight Center and University of Maryland
21. Universität Zürich, Switzerland
22. SETI Institute
23. The University of Tokyo, Japan
24. Weizmann Institute of Science, Israel
25. PlanetiQ, Inc.
26. Stanford University
27. San Jose State University
28. National Astronomical Observatory of Japan
29. University of Michigan
30. Università di Pisa, Italy
31. SETI Institute and Stanford University
32. Georgia Institute of Technology
33. The University of Texas at Austin
34. Università di Bologna, Italy
35. University of California, Los Angeles
36. Observatoire de la Côte d'Azur, France
37. Boston University