1. Department of Public Health Sciences, Henry Ford Health System, Detroit, Michigan
2. Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland
3. Department of Pediatrics, Oregon Health & Science University, Portland
4. Division of Pediatric Pulmonary Medicine, Department of Pediatrics, University of Rochester Medical Center, Rochester, New York
5. Department of Epidemiology, Geisel School of Medicine, Dartmouth College, Hanover, New Hampshire
6. Department of Emergency Medicine, Massachusetts General Hospital, Harvard Medical School, Boston
7. Department of Pediatrics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison
8. Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles
9. National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland
10. for the Environmental Influences on Child Health Outcomes (ECHO) collaborators