1. Department of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, Massachusetts.
2. Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, California.
3. Department of Geosciences, The Pennsylvania State University, University Park, Pennsylvania.
4. School of Earth Sciences, University College Dublin, Belfield, Ireland.
5. School of Geology and Geophysics, University of Oklahoma, Norman, Oklahoma.
6. School of Earth and Space Exploration, Arizona State University, Tempe, Arizona.
7. School of Molecular Sciences, Arizona State University, Tempe, Arizona.
8. Center for Fundamental and Applied Microbiomics, Arizona State University, Tempe, Arizona.
9. Lamont-Doherty Earth Observatory, Columbia University, Palisades, New York.