1. Department of Earth and Planetary Sciences, University of California Davis, Davis, CA, USA;
2. Department of Geosciences, Pennsylvania State University, University Park, PA, USA;
3. Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA, USA;
4. Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA, USA;
5. Department of Biology, University of Southern Denmark, Odense, Denmark;
6. Department of Earth and Planetary Sciences, University of California Santa Cruz, Santa Cruz, CA, USA;
7. Earth-Life Science Institute, Tokyo Institute of Technology, Tokyo, Japan;
8. Space Science Institute, Boulder, CO, USA;
9. Institute for Excellence in Higher Education, Tohoku University, Sendai, Japan;
10. Marine Microbiology and Biogeochemistry Department, Royal Netherlands Institute for Sea Research and Utrecht University, Den Burg, The Netherlands;
11. Marine Biological Laboratory, Josephine Bay Paul Center for Comparative Molecular Biology and Evolution, Woods Hole, MA, USA;
12. Department of Earth, Planetary and Environmental Sciences, Brown University, Providence, RI, USA