1. Graduate Program in Biophysics, Harvard University, Cambridge, MA, USA.
2. Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA.
3. Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, IL, USA.
4. Carl R. Woese Institute for Genomic Biology, University of Illinois at Urbana–Champaign, Urbana, IL, USA.
5. Department of Microbiology, The Ohio State University, Columbus, OH, USA.
6. Division of Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, OH, USA.
7. Howard Hughes Medical Institute, University of Illinois at Urbana–Champaign, Urbana, IL, USA.
8. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, USA.
9. Howard Hughes Medical Institute, Massachusetts Institute of Technology, Cambridge, MA, USA.