1. Max Planck Institute for Solar System Research, Justus von Liebig Weg 3, 37077 Göttingen, Germany.
2. University of Bremen, Institute for Applied and Physical Chemistry, Leobener Strasse NW2, 28359 Bremen, Germany.
3. Université Versailles St-Quentin, Sorbonne Universités, Université Pierre et Marie Curie Univ. Paris 06, Centre National de la Recherche Scientifique (CNRS)–Institut National des Sciences de l’Univers, Laboratoire Atmosphéres, Milieux, Observations Spatiales–Institut Pierre Simon Laplace (LATMOS-IPSL), 4 Place Jussieu 75005 Paris.
4. Leiden Observatory, Post Office Box 9513, 2300 RA Leiden, Netherlands.
5. Space Policy Institute, George Washington University, Washington, DC, USA.
6. Goddard Space Flight Center, Greenbelt, MD 20771, USA.
7. University Nice Sophia Antipolis, Institut de Chimie de Nice Unite Mixte de Recherche (UMR) 7272 CNRS, Avenue Valrose, 06108 Nice, France.
8. Center for Space and Habitability, University of Bern, Sidlerstrasse 5, CH-3012 Bern, Switzerland.
9. University of Houston–Clear Lake, 2700 Bay Area Boulevard, Houston, TX 77058, USA.
10. Space Technology Ireland, Ltd., Maynooth, Co. Kildare, Ireland.
11. Centro de Astrobiología, Instituto Nacional de Técnica Aeroespacial–Consejo Superior de Investigaciones Científicas, Ctra. de Ajalvir, km 4, Torrejón de Ardoz, 28850 Madrid, Spain.
12. Laboratoire Interuniversitaire des Systémes Atmosphériques (LISA), UMR CNRS 7583, Université Paris-Est Créteil and Université Paris-Diderot, 94000 Créteil, France.
13. Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC, USA.
14. German Aerospace Center, Deutsches Zentrum für Luft und Raumfahrt (DLR), 51147 Cologne, Germany.