1. Top Institute Food and Nutrition, P.O. Box 557, 6700 AN Wageningen, The Netherlands
2. NIZO food research, P.O. Box 20, 6710 BA Ede, The Netherlands
3. Center for Molecular and Biomolecular Informatics, Radboud University Nijmegen Medical Centre, Geert Grooteplein Zuid 26-28, 6525 GA Nijmegen, The Netherlands
4. Wageningen University, Laboratory of Microbiology, Dreijenplein 10, 6703 HB Wageningen, The Netherlands
5. RIKILT—Institute of Food Safety, Bornsesteeg 45, Postbus 230, 6700 AE Wageningen, The Netherlands
6. Present address: University of Amsterdam, Faculty of Earth and Life Sciences, Systems Bioinformatics, De Boelelaan 1085, 1081 HV Amsterdam, The Netherlands.