1 Digestive Health Institute, Children's Hospital Colorado, Aurora, Colo; Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colo; Aerodigestive Program, Children's Hospital Colorado, Aurora, Colo. Electronic address: joel.friedlander@childrenscolorado.org.
2 Section of Allergy and Immunology, Children's Hospital Colorado, University of Colorado School of Medicine, Aurora, Colo.
3 Division of Pediatric Pathology, Children's Hospital Colorado, Department of Pathology, University of Colorado School of Medicine, Aurora, Colo.
4 Digestive Health Institute, Children's Hospital Colorado, Aurora, Colo; Gastrointestinal Eosinophilic Diseases Program, Children's Hospital Colorado, Aurora, Colo.
5 Division of Allergy and Immunology, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio.
6 Digestive Health Institute, Children's Hospital Colorado, Aurora, Colo.
7 Digestive Health Institute, Children's Hospital Colorado, Aurora, Colo; Department of Pediatrics, University of Colorado School of Medicine, Aurora, Colo; Gastrointestinal Eosinophilic Diseases Program, Children's Hospital Colorado, Aurora, Colo.
8 Biostatistics Core of Children's Hospital Colorado Research Institute, Department of Pediatrics, University of Colorado Anschutz Medical Campus, Anschutz, Colo.