About the Authors

Jianping Kong

Affiliation Division of Gastroenterology, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Mary Ann Crissey

Affiliation Division of Gastroenterology, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Shinsuke Funakoshi

Current address: Division of Gastroenterology, Keio University School of Medicine, Tokyo, Japan

Affiliation Division of Gastroenterology, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

James L. Kreindler

Affiliation Division of Pulmonary Medicine, Department of Pediatrics, The Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, United States of America

John P. Lynch

lynchj@mail.med.upenn.edu

Affiliation Division of Gastroenterology, Department of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JK MAC JLK JPL. Performed the experiments: JK MAC JLK. Analyzed the data: JK MAC SF JLK JPL. Contributed reagents/materials/analysis tools: JK MAC SF JLK JPL. Wrote the paper: JK JPL.