1. Department of Pediatrics, Connecticut Children’s Medical Center, Hartford, Connecticut, USA;
2. Department of Pediatrics, University of Connecticut School of Medicine, Farmington, Connecticut, USA;
3. Rho, Inc., Biostatistics, USA;
4. Asthma Center, Connecticut Children’s Medical Center, Hartford, Connecticut, USA;
5. Rho, Inc., Federal Operations, USA;
6. Pediatric Pulmonology, University of Connecticut Health Center, Farmington, Connecticut, USA;
7. Pediatric Pulmonary Medicine, University of Colorado Denver School of Medicine, Aurora, Colorado, USA