1. Australian Centre for Astrobiology and Department of Biological Sciences, Macquarie University, North Ryde, New South Wales, Australia.
2. School of Biological Sciences, University of Auckland, Auckland, New Zealand.
3. Australian Centre for Astrobiology and Department of Biological Sciences, Macquarie University, North Ryde, New South Wales, Australia; Division of Molecular Medicine, University of Auckland Medicine School, Aucland, New Zealand.
4. Australian Centre for Astrobiology and Department of Earth and Planetary Sciences, Macquarie University, North Ryde, New South Wales, Australia.