1. Department of Clinical Pharmacology, School of Medicine, Faculty of Health; Witten/Herdecke University; Witten Germany
2. Philipp Klee-Institute for Clinical Pharmacology; HELIOS Clinic Wuppertal; Wuppertal Germany
3. Pneumologische Praxis Muenchen - Pasing; Munich Germany
4. Fundació Institut Català de Farmacologia; Hospital Universitari Vall d'Hebron; Barcelona Spain
5. Departament de Farmacologia, Terapèutica i Toxicologia; Universitat Autònoma de Barcelona; Barcelona Spain
6. Novartis Farmaceutica S.A.; Barcelona Spain
7. Institute of Health Economics and Management; Ludwig-Maximilians-Universitaet Muenchen; Munich Germany
8. Helmholtz Zentrum Muenchen - German Research Center for Environmental Health; Member of the German Center for Lung Research; Neuherberg Germany
9. National Association of Statutory Health Insurance Physicians of Bavaria; Munich Germany
10. Pfizer; New York NY USA
11. Institute for Medical Information Sciences, Biometry, and Epidemiology; Ludwig-Maximilians-Universitaet Muenchen; Munich Germany