About the Authors

John P. Clancy

john.clancy@cchmc.org

Affiliation Department of Pediatrics, Cincinnati Children’s Hospital Medical Center and the University of Cincinnati, Cincinnati, Ohio, United States of America

Rhonda D. Szczesniak

Affiliation Department of Pediatrics, Cincinnati Children’s Hospital Medical Center and the University of Cincinnati, Cincinnati, Ohio, United States of America

Melissa A. Ashlock

Current address: aTyr Pharma Inc., San Diego, California, United States of America

Affiliation Cystic Fibrosis Foundation, Bethesda, Maryland, United States of America

Sarah E. Ernst

Affiliation Department of Internal Medicine, University of Iowa, Iowa City, Iowa, United States of America

Lijuan Fan

Current address: Department of Medicine, Georgetown University, Washington, District of Columbia, United States of America

Affiliation Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Douglas B. Hornick

Affiliation Department of Internal Medicine, University of Iowa, Iowa City, Iowa, United States of America

Philip H. Karp

Affiliation Department of Internal Medicine, University of Iowa, Iowa City, Iowa, United States of America

Umer Khan

Affiliation Department of Biostatistics, Seattle Children’s Hospital, Seattle, Washington, United States of America

James Lymp

Affiliation Genentech, Inc., San Francisco, California, United States of America

Alicia J. Ostmann

Affiliation Department of Pediatrics, Cincinnati Children’s Hospital Medical Center and the University of Cincinnati, Cincinnati, Ohio, United States of America

Amir Rezayat

Affiliation Department of Pediatrics, Cincinnati Children’s Hospital Medical Center and the University of Cincinnati, Cincinnati, Ohio, United States of America

Timothy D. Starner

Affiliation Department of Pediatrics, University of Iowa, Iowa City, Iowa, United States of America

Shajan P. Sugandha

Affiliation Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Hongtao Sun

Affiliation Department of Pediatrics, Cincinnati Children’s Hospital Medical Center and the University of Cincinnati, Cincinnati, Ohio, United States of America

Nancy Quinney

Affiliation Department of Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America

Scott H. Donaldson

Affiliation Department of Medicine, University of North Carolina, Chapel Hill, North Carolina, United States of America

Steven M. Rowe

Affiliation Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, United States of America

Sherif E. Gabriel

Affiliation N30 Pharmaceuticals, Aurora, Colorado, United States of America

Competing Interests

MAA owns Vertex stock. Dr. JL is currently employed at Genentech, Inc., South San Francisco, CA, USA, where final edits for this manuscript were performed. All original work was performed while at Seattle Children’s Research Institute. Dr. SEG is currently employed N30 Pharmaceuticals, Aurora, CO, USA, where final edits for this manuscript were performed. All original work was performed while at the University of North Carolina Medical Center. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials. All of the other authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JPC SHD SMR DBH TDS PHK MAA SEG. Performed the experiments: PHK SEE NLQ LF HS AJO SPS. Analyzed the data: JPC RDS UK JL AR SEG. Contributed reagents/materials/analysis tools: JPC RDS SMR BDH UK JL SEG. Wrote the manuscript: JPC RDS SHD SMR DBS UK JL HS MAA SEG.