1. Department of Pneumology/Intensive Care Medicine, University of Rostock, Germany
2. Department of Respiratory Medicine, Bispebjerg University Hospital, Copenhagen, Denmark
3. Division of Internal Medicine, Asthma and Allergy, Medical University of Lodz, Poland
4. Departamento de Medicina, Universidad de Valencia, Spain
5. Merck Research Laboratories, White House Station, New Jersey
6. Global Clinical Development, ALK, Hoersholm, Denmark
7. Chest Disease Department, University Hospital of Strasbourg, Strasbourg University, France