1. Department of Computer Science, Electrical and Space Engineering; Luleå University of Technology; Luleå Sweden
2. Research Unit Analytical Biogeochemistry, Department of Environmental Sciences; Helmholtz Zentrum München; Neuherberg Germany
3. Centro de Astrobiología (INTA-CSIC); Madrid Spain
4. Centro de Biología Molecular Severo Ochoa; Universidad Autónoma de Madrid; Madrid Spain