1. Unilever Food and Health Research Institute, Vlaardingen, The Netherlands
2. Danone Research Center, Palaiseau, France
3. Institute of Biomedicine, Pharmacology, University of Helsinki and Valio Research Centre, Valio Ltd., Helsinki, Finland
4. Max Rubner-Institut, Karlsruhe, Germany
5. Department of Paediatrics, The Medical University of Warsaw, Warsaw, Poland
6. Department of Surgery, University Medical Center Utrecht, and Department of Medical Microbiology and Immunology, St. Antonius Hospital, Nieuwegein, The Netherlands