1. Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, Pennsylvania, USA
2. Department of Geosciences, Penn State Astrobiology Research Center (PSARC), The Pennsylvania State University, University Park, Pennsylvania, USA
3. Singapore Center on Environmental Life Sciences Engineering, Nanyang Technological University, Singapore
4. Department of Land Resources and Environmental Sciences, Montana State University, Bozeman, Montana, USA
5. Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, USA