1. Division of Biostatistics & Epidemiology and
2. Division of Pulmonary Medicine, Cincinnati Children’s Hospital Medical Center, Cincinnati, Ohio;
3. Department of Pediatrics and
4. Department of Biostatistics and
5. Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands;
6. Department of Mathematical Sciences, University of Cincinnati, Cincinnati, Ohio;
7. Eli Lilly and Company, Indianapolis, Indiana;
8. Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris, France;
9. Respiratory Medicine and Cystic Fibrosis National Reference Center, Cochin Hospital, Assistance Publique Hôpitaux de Paris, Paris, France;
10. European Reference Network for Rare Lung Diseases (ERN-LUNG), Frankfurt, Germany;
11. Cystic Fibrosis Foundation, Bethesda, Maryland;
12. Basic Science Department, College of Science and Health Professions, King Saud bin Abdulaziz University for Health Sciences, Jeddah, Saudi Arabia;
13. King Abdullah International Medical Research Center, Jeddah, Saudi Arabia;
14. Department of Medicine,
15. Department of Pediatrics, and
16. Department of Biostatistics, University of Washington School of Medicine, Seattle, Washington;
17. Cystic Fibrosis Therapeutics Development Network Coordinating Center, Seattle Children’s Research Institute, Seattle, Washington;
18. Department of Medical Statistics, London School of Hygiene and Tropical Medicine, London, United Kingdom;
19. Division of Respiratory, Critical Care and Occupational Pulmonary Medicine, Department of Internal Medicine, School of Medicine, and
20. Center for Quantitative Biology, University of Utah, Salt Lake City, Utah;
21. Department of Pediatrics, University of Arizona, Tucson, Arizona;
22. formerly ICON Clinical Research, San Francisco, California;
23. Department of Community Health and Epidemiology, Dalhousie University, Halifax, Nova Scotia, Canada;
24. Children’s Health Queensland Hospital and Health Service, Brisbane, Queensland, Australia;
25. Child Health Research Centre, The University of Queensland, South Brisbane, Queensland, Australia; and
26. Childrens Hospital of Richmond at Virginia Commonwealth University, Richmond, Virginia