1. Nutrition and Pharmacology Group, Division of Human Nutrition; Wageningen University; Bomenweg 2 6703 Wageningen
2. Nutricia Advanced Medical Nutrition; Nutricia Research for Specialised Nutrition; Uppsalalaan 12 3584 Utrecht
3. Nutrition, Metabolism and Genomics Group, Division of Human Nutrition; Wageningen University; Bomenweg 2 6703 Wageningen
4. Cancer Research Group, Departament de Bioquímica i Biologia Molecular; University of Barcelona; Diagonal, 645 08028 Barcelona
5. Department of Clinical Medicine; Sapienza University; Viale dell'Universita' 37 00185 Rome