1. Massachusetts Institute of Technology
2. University of Michigan
3. Research Center for Astronomy and Earth Sciences
4. Université Paris-Saclay
5. Université Paris Diderot
6. Texas Tech University
7. University of New Mexico
8. Imperial College
9. Karlsruhe Institute of Technology
10. ETH Zürich, Institute of Geochemistry and Petrology
11. University of Washington
12. ETH Zurich