1. UNSW Water Research Centre, School of Civil and Environmental Engineering, and School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney 2052, Australia
2. UNSW Water Research Centre and School of Civil and Environmental Engineering, University of New South Wales, Sydney 2052, Australia
3. School of Biotechnology and Biomolecular Sciences and the Australian Centre for Astrobiology, University of New South Wales, Sydney 2052, Australia