Affiliation: | 1. Center of Digestive Diseases, Internal Medicine Center Eppendorf, Hamburg, Germany;2. Institute of Pathology, Lademannbogen, Hamburg, Germany;3. Institute of Laboratory Medicine, Brandenburg Medical School, Brandenburg Hospital, Brandenburg, Germany;4. Department of Medical Microbiology and Hygiene, University Hospital Freiburg, Freiburg, Germany;5. Department of Medicine, Israelitic Hospital, Hamburg, Germany;6. University Cancer Center, University Hospital, Hamburg, Germany |