1. Institute of Biochemistry and Molecular Biology II, Medical Faculty Heinrich‐Heine University Düsseldorf Germany
2. Institute of Molecular Medicine II, Medical Faculty Heinrich‐Heine‐University Düsseldorf Germany
3. Clinic for Gastroenterology, Hepatology and Infectious Diseases, Medical Faculty Heinrich‐Heine University Düsseldorf Germany
4. Institute of Medical Microbiology and Hospital Hygiene, Medical Faculty Heinrich‐Heine University Düsseldorf Germany