Bronchial Diseases

• Research Site — Aalst, Belgium
• Research Site — Aarschot, Belgium
• Research Site — Aatrijken, Belgium
• Research Site — Asse, Belgium

• Research Site — Petaling Jaya, Selangor, Malaysia

• Asthma Clinical Research Centre, Level 6, Gartnavel General Hospital — Glasgow, United Kingdom

• Pfizer Investigational Site — Berlin, Germany

• National Jewish Health — Denver, Colorado, United States

• Department of Family Medicine, University of Maastricht — Maastricht, Netherlands
• Department of Family Medicine, Radboud University Nijmegen Medical Centre — Nijmegen, Netherlands

Not specified

• Regional Diagnostic Centre, Etten-Leur, The Netherlands (SHL) — Etten-Leur, Netherlands

• Royal Prince Alfred Hospital — Sydney, New South Wales, Australia

• University Hospital Bordeaux, Hôpital Haut-Lévêque — Pessac, France