Bronchial Diseases

• Research Site — Kingston, Ontario, Canada
• Research Site — Québec, Quebec, Canada
• Research Site — Hellerup, Denmark
• Research Site — Hvidovre, Denmark

• Research Site — Chemin Sainte-Foy, Quebec, Canada
• Research Site — Calgary, Canada
• Research Site — Montreal, Canada
• Research Site — Ontario, Canada

• Runby Primary Health Care Center — Upplands Vasby, Sweden

• Research Site — Pleven, Bulgaria
• Research Site — Plovdiv, Bulgaria
• Research Site — Rousse, Bulgaria
• Research Site — Sofia, Bulgaria

• Rush University Medical Center — Chicago, Illinois, United States

• Rush University Medical Center — Chicago, Illinois, United States

• Research Site — Ankara, Turkey (Türkiye)
• Research Site — Antalya, Turkey (Türkiye)
• Research Site — Bursa, Turkey (Türkiye)
• Research Site — Denizli, Turkey (Türkiye)

• Research Site — Oslo, Norway
• Research Site — Trondheim, Norway
• Research Site — Gothenburg, Sweden
• Research Site — Huddinge, Sweden

Not specified

• Children's Hospital of Philadelphia Emergency Department — Philadelphia, Pennsylvania, United States