1. Biofilmcenter and German Consiliary Laboratory for Tropheryma whipplei, German Heart Center Berlin
2. Institute of Microbiology, Infectious Diseases and Immunology, Charité–Universitätsmedizin Berlin
3. Department of Medicine, University Medical Center Hamburg-Eppendorf, Hamburg
4. Institute of Medical Microbiology, Virology and Hygiene, University Hospital Hamburg-Eppendorf
5. PathoTres Gemeinschaftspraxis für Pathologie, Berlin
6. Institute of Pathology, Nephropathology Section, University Hospital Hamburg-Eppendorf
7. Medical Department I, Gastroenterology, Infectious Diseases and Rheumatology, Charité–Universitätsmedizin Berlin, Germany