1 Department of Pediatrics, Division of Gastroenterology, Children's Hospital of Philadelphia, Perlman School of Medicine at the University of Pennsylvania, Philadelphia, Pa.
2 Human Eosinophil Section, Laboratory of Parasitic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Md.
3 Division of Gastroenterology, Columbia University Irving Medical Center, New York, NY.
4 Department of Epidemiology and Prevention, Wake Forest School of Medicine, UNC-CH, Chapel Hill, NC.
5 Mount Sinai Center for Eosinophilic Disorders, Icahn School of Medicine at Mount Sinai, New York, NY.
6 Division of Allergy and Immunology, Department of Pediatrics, Cincinnati Children's Hospital Medical Center, University of Cincinnati College of Medicine, Cincinnati, Ohio.
7 Department of Pediatrics, Gastrointestinal Eosinophilic Diseases Program, Section of Pediatric Gastroenterology, Hepatology and Nutrition, University of Colorado School of Medicine, Aurora, Colo; Digestive Health Institute, Children's Hospital Colorado University of Colorado School of Medicine, Aurora, Colo.
8 Department of Pediatrics, Division of Gastroenterology, Children's Hospital of Philadelphia, Perlman School of Medicine at the University of Pennsylvania, Philadelphia, Pa. Electronic address: [email protected].