Asthma

• University of Alabama — Birmingham, Alabama, United States
• Contra Costa Health Services (East and West Contra Costa) — Martinez, California, United States
• Southeast Health Center — San Francisco, California, United States
• Santa Clara Health Center — San Jose, California, United States

• Research Site — London, United Kingdom

Not specified

Not specified

• Maisi David Cabral — São Paulo, Brazil

• GSK Investigational Site — Bad Krozingen, Baden-Wurttemberg, Germany
• GSK Investigational Site — Bönnigheim, Baden-Wurttemberg, Germany
• GSK Investigational Site — Ettenheim, Baden-Wurttemberg, Germany
• GSK Investigational Site — Heidelberg, Baden-Wurttemberg, Germany

• GSK Investigational Site — Manchester, Lancashire, United Kingdom
• GSK Investigational Site — London, United Kingdom

• University of Pittsburgh — Pittsburgh, Pennsylvania, United States

• Mayo Clinic — Rochester, Minnesota, United States

• Arkansas Children's Hospital Research Institute — Little Rock, Arkansas, United States