Affiliation: | a Division of Pediatric Clinical Research, Department of Pediatrics, Miller School of Medicine, University of Miami, Miami, FL b Department of Family Medicine and Community Health, Tufts University School of Medicine, Boston, MA c Departments of Epidemiology and Biostatistics, Harvard School of Public Health, Boston, MA d Division of Gastroenterology and Nutrition, Children's Hospital, Harvard Medical School, Boston, MA e Division of Infectious Disease, Golisano Children's Hospital at Strong, University of Rochester School of Medicine, Rochester, NY f Division of Gastroenterology, Golisano Children's Hospital at Strong, University of Rochester School of Medicine, Rochester, NY g Department of Medicine, Tufts-New England Medical Center, Boston, MA |