1. Departments of Medicine and Pediatrics, Case Western Reserve University, Cleveland Ohio;
2. Center for Tobacco Control Research and Education,
3. Department of Medicine and Cardiovascular Research Institute,
4. Department of Pediatrics, San Francisco General Hospital, San Francisco, California;
5. Centro de Neumologia Pediatrica, CSP, San Juan, Puerto Rico;
6. Instituto Nacional de Enfermedades Respiratorias, Mexico City, Mexico;
7. Children's Hospital and Research Institute, Oakland, California;
8. Veterans Caribbean Health Care System, San Juan, Puerto Rico;
9. Bay Area Pediatrics, Oakland, California;
10. Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland;
11. Center for Health Services Research, Department of Internal Medicine, Henry Ford Health System, Detroit, Michigan;
12. Division of Allergy-Immunology, Northwestern University, Chicago, Illinois; and
13. Department of Bioengineering and Therapeutic Sciences,
14. Lung Biology Center, and
15. Institute for Human Genetics, University of California, San Francisco, California;
16. Allergy/Immunology Associates Inc, Cleveland, Ohio