1. University Hospital Freiburg, Department of Pneumology, Freiburg, Germany
2. University Hospital RWTH Aachen, Division of Pneumology, Aachen, Germany
3. Department of Biochemistry and Molecular Biology, Houston Medical School, University of Texas, Houston, USA
4. Research Center Borstel, Clinical and Experimental Pathology, Borstel, Germany
5. Department of Physiopathology and Experimental Medicine, University of Siena, Siena, Italy
6. Department of Experimental and Diagnostic Medicine, Section of General Pathology and Interdisciplinary Center for the Study of Inflammation (ICSI), University of Ferrara, Ferrara, Italy
7. IRIBHM and Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium