1. Department of Infectious Diseases, Medical Microbiology and Hygiene, Heidelberg University Hospital, Im Neuenheimer Feld 324 , Heidelberg 69120 , Germany
2. Member of the German Center for Lung Research (DZL), Translational Lung Research Center (TLRC), Im Neuenheimer Feld 130.3 , Heidelberg , Germany
3. Department of Infectious Diseases and Microbiology, University of Lübeck , Ratzeburger Allee 160, Lübeck 23538 , Germany