Lung Diseases, Obstructive

• GSK Investigational Site — Tallinn, Estonia
• GSK Investigational Site — Tampere, Finland
• GSK Investigational Site — Gauting, Bavaria, Germany
• GSK Investigational Site — Berlin, Germany

Not specified

• Pulmonary Associates, PA — Phoenix, Arizona, United States
• University of Southern California, Adult Asthma and Allergy Center — Los Angeles, California, United States
• National Jewish Medical and Research Center — Denver, Colorado, United States
• University of Chicago — Chicago, Illinois, United States

• Aintree University Hospital NHS Foundation Trust — Liverpool, United Kingdom
• St Georges University Hospitals NHS Foundation Trust — London, United Kingdom
• Royal Brompton and Harefield Hospital NHS Foundation Trust — London, United Kingdom

• GSK Investigational Site — Baltimore, Maryland, United States

• GSK Investigational Site — London, United Kingdom

• GSK Investigational Site — Prague, Czechia
• GSK Investigational Site — Budapest, Hungary

• GSK Investigational Site — Budapest, Hungary
• GSK Investigational Site — Bratislava, Slovakia

• GSK Investigational Site — London, United Kingdom

• Melvin Propis M.D. — Davie, Florida, United States
• Chicago — Chicago, Illinois, United States
• Las Vegas — Las Vegas, Nevada, United States
• New York — New York, United States