1. Hamburger Sternwarte, Universität Hamburg, Hamburg, Germany; Rensselaer Polytechnic Institute, Troy, New York, USA.
2. Centre for Planetary Science and Exploration, University of Western Ontario, London, Ontario, Canada.
3. Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, Colorado, USA.
4. Physics Laboratory, Universidade do Vale do Paraba, São José dos Campos, Brazil.
5. School of Earth & Environment, University of Leeds, Leeds, UK.
6. Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiás, Brazil.
7. Chemistry Department, Federal University of Sergipe, Sergipe, Brazil.
8. Laboratório de Ecologia Microbiana, Instituto Oceanográfico, Universidade de São Paulo, São Paulo, Brazil.