1. Molecular Cell Biology, Faculty of Science, VU University Amsterdam, Amsterdam, The Netherlands.
2. Astrobiology Laboratory, Sackler Laboratory for Astrophysics, Leiden Observatory, Leiden University, Leiden, The Netherlands.
3. CRPG, CNRS/University of Lorraine, Vandoeuvre-les-Nancy, France.
4. CNRS, Institut de Chimie de Nice UMR 7272, Université Côte d'Azur, Nice, France.
5. School of Chemistry, University of Bristol, Bristol, United Kingdom.
6. Life Support and Physical Sciences Instrumentation Section, European Space Agency, ESTEC, Noordwijk, The Netherlands.