1. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
2. Department of Microbiology & Molecular Genetics, University of California Irvine, Irvine, California 92697, United States
3. Division of Host-Microbe Systems and Therapeutics, Department of Pediatrics, University of California San Diego, La Jolla, California 92093, United States
4. Center for Microbiome Innovation, University of California San Diego, La Jolla, California 92093, United States
5. Chiba University − UC San Diego Center for Mucosal Immunology, Allergy, and Vaccines, La Jolla, California 92093, United States