1. Planetary and Space Sciences Research Institute, Centre for Earth, Planetary, Space and Astronomical Research, Open University, Milton Keynes, United Kingdom.
2. Centre de Biophysique Moleculaire, CNRS, Orleans, France.
3. British Antarctic Survey, Cambridge, United Kingdom.
4. European Space and Technology Centre, Noordwijk, The Netherlands.
5. Naturhistorisches Museum, Vienna, Austria.
6. Chemical and Forensic Sciences, School of Life Sciences, University of Bradford, Bradford, United Kingdom.
7. SETI Institute, NASA Ames Research Center, Moffett Field, California.
8. Canadian Space Agency, St.-Hubert, Quebec, Canada.
9. Institut de Génétique et de Biologie Microbiennes, Faculté de Médicine, Lausanne, Switzerland.