About the Authors

Lev Litichevskiy

Affiliation Microbiology Department, Institute for Immunology, and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America

Christoph A. Thaiss

thaiss@pennmedicine.upenn.edu

Affiliation Microbiology Department, Institute for Immunology, and Institute for Diabetes, Obesity, and Metabolism, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States of America

Competing Interests

The authors have declared that no competing interests exist.