1. Marie Curie Fellow, Institute for Public Health Genomics, Maastricht University, Maastricht, The Netherlands
2. Netherlands Organisation for Applied Scientific Research TNO, Zeist, The Netherlands and Nutrigenomics Organisation, Zeist, The Netherlands
3. Genetic & Molecular Epidemiology Group, Spanish National Cancer Research Centre, Madrid, Spain
4. Max Planck Institute for Molecular Genetics, Berlin, Germany
5. Institute for Public Health Genomics, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, The Netherlands.