1. Department of Biology, Georgetown University, Washington, District of Columbia, USA.
2. NASA Goddard Space Flight Center, Greenbelt, Maryland, USA.
3. Center for Research and Exploration in Space Science and Technology, Greenbelt, Maryland, USA.
4. University of Maryland, College Park, Maryland, USA.
5. Earth and Planets Laboratory, Carnegie Institution for Science, Washington, District of Columbia, USA.
6. Geosciences Department, GeoBiotec Unit, University of Aveiro, Aveiro, Portugal.
7. Astronomy Department, University of Maryland, College Park, Maryland, USA.
8. Science, Technology, and International Affairs Program, Georgetown University, Washington, District of Columbia, USA.