Pulmonary Disease, Chronic Obstructive

• Hospital Universitario Son Espases — Palma de Mallorca, Balearic Islands, Spain
• Hospital Universitario Nuestra Señora de la Candelaria — Santa Cruz de Tenerife, Canary Islands, Spain
• Clínica Universitaria de Navarra — Pamplona, Navarre, Spain
• Hospital del Mar — Barcelona, Spain

• Belfast Health and Social Care Trust — Belfast, Co Antrim, United Kingdom
• Western Health and Social Care Trust — Enniskillen, United Kingdom

• Department of Respiratory Medicine and Allergology — Lund, Skåne County, Sweden

• The Chinese University of Hong Kong — Hong Kong

• GSK Investigational Site — Mar del Plata, Buenos Aires, Argentina
• GSK Investigational Site — Quilmes, Buenos Aires, Argentina
• GSK Investigational Site — San Juan Bautista, Buenos Aires, Argentina
• GSK Investigational Site — Bahía Blanca, Argentina

• GSK Investigational Site — Hanover, Lower Saxony, Germany
• GSK Investigational Site — Berlin, Germany
• GSK Investigational Site — Hamburg, Germany

• GSK Investigational Site — Tallinn, Estonia
• GSK Investigational Site — Tartu, Estonia
• GSK Investigational Site — Helsinki, Finland
• GSK Investigational Site — Gauting, Bavaria, Germany

• GSK Investigational Site — Kuřim, Czechia
• GSK Investigational Site — Olomouc, Czechia
• GSK Investigational Site — Rokycany, Czechia
• GSK Investigational Site — Teplice, Czechia

Not specified

• Johns Hopkins Bloomberg School of Public Health — Baltimore, Maryland, United States