1. Earth-Life Science Institute (ELSI), Tokyo Institute of Technology, Tokyo, Japan.
2. Institute for Advanced Study, Princeton, New Jersey, USA.
3. Blue Marble Space Institute of Science, Washington, DC, USA.
4. Center for Chemical Evolution, Georgia Institute of Technology, Atlanta, Georgia, USA.
5. German Aerospace Center (DLR), Earth Observation Center (EOC), Oberpfaffenhofen-Wessling, Germany.
6. Department of Chemistry, Emory University, Atlanta, Georgia, USA.