Lung Diseases, Obstructive

• University Hospital Zurich — Zurich, Switzerland

• Wellman Center for Photomedicine, Massachusetts General Hospital — Boston, Massachusetts, United States

• Chinese Pla General Hospital — Beijing, Beijing Municipality, China
• The First Affiliated Hospital of Guangzhou Medical University — Guangzhou, Guangdong, China
• University of Chinese Academy of Sciences Shenzhen Hospital — Shenzhen, Guangdong, China
• Hebei Chest Hospital — Shijiazhuang, Hebei, China

• Hinge Health, Inc — San Francisco, California, United States

• Mercy Women's Hospital — Heidelberg, Victoria, Australia
• Frances Perry Private Hospital — Parkville, Victoria, Australia
• Murdoch Children's Research Institute — Parkville, Victoria, Australia
• Royal Women's Hospital — Parkville, Victoria, Australia

• Rigshospitalet — Copenhagen, Denmark
• Helsinki University Hospital — Helsinki, Finland
• Oslo University Hospital — Oslo, Norway
• Sahlgrenska Univ Hospital — Gothenburg, Sweden

Not specified

• National Jewish Health — Denver, Colorado, United States

• Karolinska Institutet — Stockholm, Sweden

• Oslo University Hospital and University of Oslo — Oslo, Norway