A Study to Evaluate the Safety of Long-term Ivacaftor Treatment in Participants With Cystic Fibrosis Who Are Less Than 24 Months of Age at Treatment Initiation and Have an Approved Ivacaftor-Responsive Mutation

Children's Hospital of Philadelphia, Philadelphia

Alfred I DuPont Hospital for Children, Wilmington

John Hopkins Hospital, Baltimore

Center for Advanced Pediatrics, Atlanta

Nemours Children's Hospital, Orlando

University of Alabama at Birmingham, Birmingham

Nationwide Children's Hospital, Columbus

Riley Hospital for Children at Indiana University Health, Indianapolis

University of Wisconsin, Madison

Childrens's Hospitals and Clinics of Minnnesota, Minneapolis

Billings Clinic Hospital, Billings

Northwestern University, Chicago

Children's Mercy Hospital, Kansas City

Texas Children's Hospital, Houston

Stanford University, Palo Alto

Seattle Children's Hospital, Seattle

Boston Children's Hospital, Boston

Queensland Children's Hospital, South Brisbane

The Hospital for Sick Children, Toronto

Universitaetsklinikum Heidelberg, Zenter fuer Kinder-und Jugendmedizin, Heidelberg

Children's Health Ireland at Crumlin, Dublin

Children's University Hospital Temple Street, Dublin

University Hospital Limerick, Limerick

Paediatric Clinical Research Facility, Edinburgh

Alder Hey Children's Alder Hey Children's NHS Foundation Trust, Liverpool

Great Ormond Street Hospital for Sick Children, London

Royal Brompton & Harefield NHS Founcation Trust, Royal BromptonHospital, London

Royal Manchester Children's Hospital, Manchester

Oxford University Hospitals NHS Trust, John Radcliffe Hospital, Oxford