Affiliation
Department of Child & Adolescent Psychiatry, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL.; Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL.; Department of Epidemiology, University of Pittsburgh, Pittsburgh, PA.; Department of Pediatrics, Division of Gastroenterology, Hepatology and Nutrition, The Children's Hospital of Philadelphia, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA.; Department of Pediatrics and Department of Landscape Architecture and Urban Planning, Texas A&M University, College Station, TX.; Department of Paediatrics, Hospital for Sick Children, University of Toronto, Ontario, Canada.; Department of Pediatrics, University of Pittsburgh, Pittsburgh, PA.; Department of Pediatrics, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL.