1. Department of Pediatrics, Division of Host-Microbe Systems and Therapeutics, University of California San Diego, La Jolla, California, USA
2. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
3. Center for Microbiome Innovation, University of California San Diego, La Jolla, California, USA
4. Chiba University-University of California-San Diego Center for Mucosal Immunology, Allergy, and Vaccines (CU-UCSD cMAV), La Jolla, California, USA