About the Authors
Department of Medical Microbiology and Immunology, School of Medicine, University of California at Davis, Davis, California, United States of America
Metabolomics Core Laboratory, Genome Center, University of California at Davis, Davis, California, United States of America
The authors have declared that no competing interests exist.
Conceived and designed the experiments: RWC AMK SEW RMT AJB. Performed the experiments: RWC AMK SEW MNX VT AJB. Analyzed the data: RWC AMK SEW MNX RMT VT AJB. Contributed reagents/materials/analysis tools: VT. Wrote the paper: RWC VT AJB.