About the Authors

Ivan Osokine

Affiliation Department of Microbiology and Immunology, University of California San Francisco (UCSF) Diabetes Center, University of California San Francisco, San Francisco, California, United States of America

Ruby Hsu

Affiliation Department of Microbiology and Immunology, University of California San Francisco (UCSF) Diabetes Center, University of California San Francisco, San Francisco, California, United States of America

Gabriel B Loeb

Affiliation Department of Microbiology and Immunology, University of California San Francisco (UCSF) Diabetes Center, University of California San Francisco, San Francisco, California, United States of America

Michael T McManus

To whom correspondence should be addressed. E-mail: michael.mcmanus@ucsf.edu

Affiliation Department of Microbiology and Immunology, University of California San Francisco (UCSF) Diabetes Center, University of California San Francisco, San Francisco, California, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

IO and MTM designed the study. IO performed the database analysis and wrote a first draft of the paper. IO, RH, GBL, and MTM wrote the manuscript. Both RH and GBL performed additional database analyses.