1. Friedrich Loeffler Institute of Medical Microbiology, Ernst Moritz Arndt University, Greifswald, Germany
2. Institute of Medical Microbiology, Hannover Medical School, Hannover, Germany
3. Department of Functional and Applied Anatomy, Hannover Medical School, Hannover, Germany
4. Department of Cell Biology and Immunology, Faculty of Medicine, Vrije Universiteit, Amsterdam, The Netherlands
5. Department of Paediatric Pulmonology and Neonatology, Hannover Medical School, Hannover, Germany