Affiliation: | 1. Department of Epidemiology and Prevention, Wake Forest University Public Health Sciences, Winston-Salem, NC;6. Department of Biostatistical Sciences, Wake Forest University Public Health Sciences, Winston-Salem, NC;2. Division of Gastroenterology and Hepatology, Department of Medicine, University of North Carolina School of Medicine, Chapel Hill, NC;g. Center for Esophageal Diseases and Swallowing, University of North Carolina School of Medicine, Chapel Hill, NC;3. Division of Allergy and Immunology, Cincinnati Children''s Hospital Medical Center, Cincinnati, Ohio;5. Division of Human Genetics, Cincinnati Children''s Hospital Medical Center, Cincinnati, Ohio;4. Department of Pediatrics, University of Cincinnati School of Medicine, Cincinnati, Ohio |