1. European Astrobiology Network Association.
2. Institute of Aerospace Medicine, German Aerospace Center (DLR), Köln, Germany.
3. European Science Foundation, Strasbourg, France.
4. Centre National de la Recherche Scientifique–Centre de Biophysique Moléculaire, Orleans, France.
5. Institute for Planetary Research, German Aerospace Center (DLR), Berlin, Germany.
6. Institute of Molecular Evolution, Heinrich-Heine University of Düsseldorf, Düsseldorf, Germany.
7. INTA Centre for Astrobiology, Torrejón de Ardoz, Madrid, Spain.
8. Department of Ecology and Environmental Science, Umeå University, Umeå, Sweden.
9. Department of Microbiology, Technical University München, München, Germany.
10. Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy.
11. Department of Physics, Section of Astrophysics, Astronomy and Mechanics, Aristotle University of Thessaloniki, Thessaloniki, Greece.
12. Department of Agrobiology and Agrochemistry, University of Tuscia, Viterbo, Italy.
13. Institute of Astrophysics, University of Vienna, Vienna, Austria.
14. INAF–Institute for Space Astrophysics and Planetology, Rome, Italy.
15. Department of Microbiology and Ecosystem Science, University of Vienna, Vienna, Austria.
16. Department of Condensed Matter Physics, Crystallography and Mineralogy, Valladolid University, Valladolid, Spain.
17. B.USOC, Brussels, Belgium.
18. INAF–Catania Astrophysical Observatory, Catania, Italy.
19. INAF–Arcetri Astrophysical Observatory, Florence, Italy.