1. Department of Pediatrics, Children’s Hospital Colorado and University of Colorado Anschutz Medical Campus, Aurora, Colorado
2. Cystic Fibrosis Foundation Therapeutics Development Network Coordinating Center, Seattle Children’s Research Institute, Seattle, Washington
3. Department of Pediatrics, School of Medicine, University of Washington, Seattle, Washington
4. Department of Pediatrics, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio
5. Cystic Fibrosis Foundation, Bethesda, Maryland
6. Department of Pediatrics, Jacobs School of Medicine and
7. Western New York Pediatric Gastroenterology, University at Buffalo, Buffalo, New York
8. Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
9. Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota
10. Department of Pediatrics, Hospital for Sick Children, Toronto, Ontario, Canada; and
11. Department of Medicine and the Gregory Fleming James Cystic Fibrosis Research Center, University of Alabama at Birmingham, Birmingham, Alabama