1. Section of Pulmonology, Department of Pediatrics, University of Colorado School of Medicine and Children’s Hospital Colorado, Aurora, Colorado
2. Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Aurora, Colorado
3. Department of Pediatrics, University of Arkansas for Medical Sciences and Arkansas Children’s Hospital, Little Rock, Arkansas
4. Division of Pulmonary Medicine, Department of Pediatrics, Boston Children’s Hospital, Harvard Medical School, Boston, Massachusetts
5. Pulmonary Medicine, Cincinnati Children’s Hospital and Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio
6. Division of Pulmonology, Department of Pediatrics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
7. Division of Pulmonology, Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
8. Edward Mallinckrodt Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri
9. Department of Pediatrics, Pulmonary Medicine, Wayne State University and Children’s Hospital of Michigan, Detroit, Michigan
10. Farwaniya Hospital, Sabah Al Nasser, Kuwait
11. Respiratory Medicine, Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada; and
12. Division of Pulmonary Medicine, Department of Pediatrics, Children’s Hospital of Philadelphia, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania