Cystic Fibrosis

• AL Adult Birmingham / The Children's Hospital Atlanta — Birmingham, Alabama, United States
• UC San Diego Medical Center — La Jolla, California, United States
• Denver Adult / National Jewish Health — Denver, Colorado, United States
• Shands Hospital — Gainesville, Florida, United States

• Stanford University Medical Center — Stanford, California, United States
• Central Florida Pulmonary Group — Altamonte Springs, Florida, United States
• University of Florida College of Medicine — Gainesville, Florida, United States
• St. Luke's Cystic Fibrosis Center of Idaho — Boise, Idaho, United States

• National Jewish Health — Denver, Colorado, United States

• Nationwide Children's Hospital — Columbus, Ohio, United States

Not specified

• Marsico Clinical Research Center — Chapel Hill, North Carolina, United States

• Johns Hopkins University School of Medicine — Baltimore, Maryland, United States
• Rainbow Babies and Children's Hospital — Cleveland, Ohio, United States

• Birmingham Heartlands Hospital — Birmingham, West Midlands, United Kingdom

• Heart of England NHS Foundation Trust — Birmingham, West Midlands, United Kingdom

• Respiratory Clinical Trials Centre, University of Calgary — Calgary, Alberta, Canada