Pulmonary Disease, Chronic Obstructive

• Coral Research Clinic Corp. — Miami, Florida, United States
• Premier Medical Associates — The Villages, Florida, United States

• Vinmec International Hospital Times City — Hanoi, Vietnam

• Sparks Regional Medical Center — Fort Smith, Arkansas, United States
• Kaiser Permanente Riverside Medical Center — Riverside, California, United States
• University of California San Diego — San Diego, California, United States
• California Pacific Medical Center — San Francisco, California, United States

• Academic Medical Centre/University of Amsterdam, Department of Respiratory Medicine and Experiment Immunology — Amsterdam, Netherlands
• QPS Netherlands - Clinical Pharmacology Unit — Groningen, Netherlands

• McGill University Health Centre — Montreal, Quebec, Canada

• Beacon Hospital — Sandyford, Dublin 18, Ireland

• Universitätsklinikum Gießen und Marburg GmbH,Klinik für Diagnostische und Interventionelle Radiologie — Giessen, Germany
• Universitätsmedizin Greifswald, Institut für Diagnostische Radiologie u. Neuroradiologie — Greifswald, Germany
• LungenClinic Grosshansdorf, Pneumologisches Forschungsinstitut — Großhansdorf, Germany
• Hamburger Institut für Therapieforschung (HIT) GmbH — Hamburg, Germany

• Calgary West Central Primary Care Network — Calgary, Alberta, Canada

• WestView Primary Care Network — Edmonton, Alberta, Canada

Not specified