Johannes Godt1
, Franziska Scheidig2
, Christian Grosse-Siestrup3
, Vera Esche3
, Paul Brandenburg3
, Andrea Reich3
and David A Groneberg2 
1Department for Paediatric Pneumology and Immunology, Charité – School of Medicine, Free University and Humboldt University of Berlin, Germany
2Institute of Occupational Medicine, Charité – School of Medicine, Free University and Humboldt University of Berlin, Germany
3Department of Comparative Medicine and Experimental Animal Sciences, Charité – School of Medicine, Free University and Humboldt University of Berlin, Germany