Lung Diseases, Obstructive

• University of Colorado Denver, Anschutz Medical Campus — Aurora, Colorado, United States
• Icahn School of Medicine at Mount Sinai — New York, United States

• ASST Grande Ospedale Metropolitano Niguarda — Milan, Italy
• ASST Spedali Civili — Montichiari, Italy
• ASST Monza-Ospedale San Gerardo — Monza, Italy
• Humanitas Clinical and Research Hospital — Rozzano, Italy

• University Hospital Zurich — Zurich, Switzerland

• Pulmonary Medicine, Thoracic Oncology and Respiratory Intensive Care Department, Rouen University Hospital — Rouen, France

• Northwestern University Feinberg School of Medicine — Chicago, Illinois, United States

• University of Chester — Chester, Chesire, United Kingdom

• Université de Sherbrooke — Chicoutimi, Quebec, Canada
• CIUSSS du Sageunay-Lac-Saint-Jean — Chicoutimi, Quebec, Canada

• Mayo Clinic in Arizona — Scottsdale, Arizona, United States
• Mayo Clinic in Florida — Jacksonville, Florida, United States
• Mayo Clinic in Rochester — Rochester, Minnesota, United States

Not specified

• Muğla Sıtkı Koçman University Training and Research Hospital — Muğla, Menteşe, Turkey (Türkiye)