Pulmonary Disease, Chronic Obstructive

• Boehringer Ingelheim Investigational Site — Lakewood, California, United States
• Boehringer Ingelheim Investigational Site — Wheat Ridge, Colorado, United States
• Boehringer Ingelheim Investigational Site — Pembroke Farms, Florida, United States
• Boehringer Ingelheim Investigational Site — Coeur d'Alene, Idaho, United States

• Boehringer Ingelheim Investigational Site — Akita, Akita, Japan
• Boehringer Ingelheim Investigational Site — Bunkyo-ku, Tokyo, Japan
• Boehringer Ingelheim Investigational Site — Bunkyo-ku,Tokyo, Japan
• Boehringer Ingelheim Investigational Site — Habikino, Osaka, Japan

• Research Site — Bloemfontein, South Africa
• Research Site — George, South Africa
• Research Site — Port Elizabeth, South Africa
• Research Site — Harrow, United Kingdom

• Dept. of Pulmonary Medicine — Copenhagen NV, Capital Region, Denmark

• Fattouma Bourguiba University hospital — Monastir, Monastir Governorate, Tunisia
• University hospital of Moastir — Monastir, Monastir Governorate, Tunisia
• University hospital of Monastir — Monastir, Monastir Governorate, Tunisia
• University Hospital of Monastir — Monastir, Monstir, Tunisia

• ZNA Middelheim — Antwerp, Belgium
• Antwerp University Hospital — Edegem, Antwerp, Belgium

Not specified

• Fondazione Salvatore Maugeri- Istituto Scientifico di Montescano — Montescano, Pavia, Italy
• Salvatore Maugeri Foundation - Scientific Institute of Montescano — Montescano, Pavia, Italy

• Kittipong Maneechotesuwan — Bangkoknoi, BKK, Thailand

• Novartis Investigative Site — Fullerton, California, United States
• Novartis Investigative Site — Riverside, California, United States
• Novartis Investigative Site — St. Petersburg, Florida, United States
• Novartis Investigative Site — Troy, Michigan, United States