Bronchial Diseases

• University of Arizona College of Medicine — Tucson, Arizona, United States
• University of California - San Francisco — San Francisco, California, United States
• National Jewish Health — Denver, Colorado, United States
• Northwestern Memorial Hospital — Chicago, Illinois, United States

• Institute of Biomedicine and Molecular Immunology, IBIM — Palermo, Italy

• Children's Hospital and Research Center Oakland — Oakland, California, United States

• Centro Hospitalar S. João — Porto, Portugal

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Cleveland Clinic Children's — Cleveland, Ohio, United States
• Texas Children's Hospital — Houston, Texas, United States

• University of Rochester Medical Center — Rochester, New York, United States

• CHU Sart Tilman — Angleur, Belgium
• A.Z. VUB — Brussels, Belgium
• Boehringer Ingelheim Investigational Site — Genk, Belgium
• Boehringer Ingelheim Investigational Site — Hasselt, Belgium

Not specified

• Maastricht University Medical Centre — Maastricht, Netherlands

• University of Utah — Salt Lake City, Utah, United States
• Marquette University — Milwaukee, Wisconsin, United States