Chronic Obstructive Pulmonary Disease

• Asthma and Allergy Research Group, Ninewells Hospital and Medical School, University of Dundee — Dundee, United Kingdom

• Intermountain Medical Center — Salt Lake City, Utah, United States

• University of Alberta — Edmonton, Alberta, Canada
• Vancouver General Hospital — Vancouver, British Columbia, Canada
• St-Boniface General Hospital — Winnipeg, Manitoba, Canada
• Hôpital Dr Georges-L. Dumont — Moncton, New Brunswick, Canada

Not specified

Not specified

• University Hospital of Crete — Heraklion, Crete, Greece
• University Hospital of Herakleion — Heraklion, Greece

• Ventura County Medical Center — Ventura, California, United States

• Schön Klinikum Berchtesgadener Land — Schönau am Königssee, Germany

• Asthma and Allergy Research Group, Ninewells Hospital and Medical School, University of Dundee — Dundee, United Kingdom

• Cabinet de médecine générale — Clapiers, France
• Cabinet de médecine générale — Saint-Martin-de-Londres, France