1. School of Biological Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA.
2. School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, Georgia, USA.
3. School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia, USA.
4. Department of Bacteriology, University of Wisconsin–Madison, Wisconsin, USA.
5. Department of Chemistry and Biochemistry, Montana State University, Bozeman, Montana, USA.
6. Physical and Life Sciences Directorate, Lawrence Livermore National Laboratory, Livermore, California, USA.