1. Department of Gastrointestinal Microbiology
2. Dietary Fibre and the Metabolic Syndrome Group, German Institute of Human Nutrition Potsdam-Rehbruecke, Arthur-Scheunert-Allee 114-116, 14558 Nuthetal, Germany
3. Klinik für Kinder und Jugendliche, Klinikum Ernst von Bergmann, Charlottenstraße 72, D-14467 Potsdam, Germany
4. Nestlé Nutrition, Lyoner Strasse 23, 60528 Frankfurt/Main, Germany