1. UNC Cystic Fibrosis Center, Marsico Lung Institute The University of North Carolina at Chapel Hill Chapel Hill North Carolina
2. Division of Pulmonary and Critical Care Medicine The University of North Carolina at Chapel Hill Chapel Hill North Carolina
3. Division of Pediatric Pulmonology The University of North Carolina at Chapel Hill Chapel Hill North Carolina
4. Center for Pulmonary Imaging Research Cincinnati Children's Hospital Cincinnati Ohio
5. Department of Infection, Immunity & Cardiovascular Disease, POLARIS Group, Imaging Sciences University of Sheffield Sheffield UK
6. Department of Pediatrics University of Cincinnati Cincinnati Ohio
7. Department of Radiology Cincinnati Children's Hospital Cincinnati Ohio