Institution: | 1. Division for Pulmonary Diseases, Department of Internal Medicine, Philipps-University Marburg, 35043 Marburg, Germany;2. Department of Molecular Medicine, Section of Pneumology, University of Pavia, Istituto Di Ricovero e Cura a Carattere Scientifico Policlinico San Matteo, 27100 Pavia, Italy;3. Department of Internal Medicine V, University Hospital of Saarland, D-66421 Homburg, Germany |