1. California Chapter of the Asthma and Allergy Foundation of America (AAFA), Los Angeles, California.
2. Los Angeles County and University of Southern California (LAC+USC) Medical Center Breathmobile Program, Division of Allergy and Immunology, Keck School of Medicine of USC, Los Angeles, California.
3. Children's Hospital of Orange County (CHOC) Breathmobile Program, Orange, California.
4. Arrowhead Regional Medical Center (ARMC) Breathmobile Program, Department of Pediatrics of ARMC, Colton, California.
5. University of California, Los Angeles (UCLA) Mattel Children's Hospital Breathmobile Program, Department of Pediatrics, Division of Pediatric Allergy/Immunology and Rheumatology, David Geffen School of Medicine of UCLA, Los Angeles, California.
6. Division of Pediatric Pulmonology/Allergy, University of Maryland School of Medicine, Baltimore, Maryland.
7. Department of Vermont Health Access, Burlington, Vermont.