1. Division of Pulmonary and Sleep Medicine, Department of Pediatrics, Seattle Children’s Hospital, University of Washington, Seattle, Washington;
2. Division of Pediatric Pulmonology, Allergy and Sleep Medicine, and
3. Department of Biostatistics and Health Data Science, Indiana University School of Medicine, Indianapolis, Indiana;
4. Core for Biostatistics, Epidemiology and Analytics in Research, Seattle Children’s Research Institute, Seattle, Washington;
5. Department of Medicine, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada; and
6. Division of Pulmonary and Sleep Medicine, Department of Pediatrics, Children’s Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania