Chronic Obstructive Pulmonary Disease

• Pinnacle Research Group, LLC — Anniston, Alabama, United States
• Arizona Pulmonary Specialists, Ltd. — Phoenix, Arizona, United States
• University of California-Davis Medical Group — Sacramento, California, United States
• University Clinical Research-DeLand, LLC — DeLand, Florida, United States

• St. Joseph's Healthcare — Hamilton, Ontario, Canada

• Prince of Wales Hospital — Hong Kong

Not specified

Not specified

• Omnicare Clinical Research — King of Prussia, Pennsylvania, United States

• Johannes Gutenberg-Univeristy — Mainz, Germany

• Outpatient pulmonary clinic, Haukeland University Hospital — Bergen, Norway

• University Medical Center Groningen — Groningen, Netherlands

• Dartmouth-Hitchcock Medical Center — Lebanon, New Hampshire, United States