1. Department of Microbiology and Biotechnology, Max Rubner-Institut, Hermann-Weigmann-Str 1, D-24103 Kiel, Germany
2. Medizinisches Versorgungszentrum (MVZ), Pathology and Laboratory Medicine Dr. Rabenhorst, Prüner Gang 7, 24103 Kiel, Germany
3. Institute of Pathology, Kiel University,University Hospital, Schleswig-Holstein, Arnold-Heller-Straße 3/14, D-24105 Kiel, Germany
4. StädtischesMVZ Kiel GmbH, Department of Pathology, Chemnitzstr.33, 24116 Kiel, Germany
5. MVZ Institute of Microecology, Auf den Lüppen 8, 35745 Herborn, Germany
6. Clinic of Dermatology, University Hospital Schleswig-Holstein, Schittenhelmstr. 7, D-24105 Kiel, Germany
7. Max Rubner-Institut, Federal Research Institute of Nutrition and Food, Department of Microbiology and Biotechnology; Kiel, Germany