1. Department of Bioengineering, University of California, Berkeley, Berkeley, CA 94720, USA
2. Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720, USA
3. School of Public Health, Division of Infectious Diseases and Vaccinology, University of California Berkeley, Berkeley, CA, USA
4. Innovative Genomics Institute (IGI), 2151 Berkeley Way, Berkeley, CA, 94704, USA