Asthma

• Centre for Clinical Epidemiology and Evaluation, Vancouver Coastal Health Research Institute — Vancouver, British Columbia, Canada
• University of British Columbia — Vancouver, British Columbia, Canada

• University of Alabama at Birmingham, Lung Health Center — Birmingham, Alabama, United States

• Research Site — Berlin, Germany

• Massachusetts General Hospital — Boston, Massachusetts, United States

Not specified

• Human Research Laboratory- University of Miami School of Medicine — Miami, Florida, United States

Not specified

• Norton Children's Hospital — Louisville, Kentucky, United States

• GSK Investigational Site — Randers, Denmark

Not specified