1 Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, Burlington Danes Building, Du Cane Road, London W12 0NN, U.K.
2 Toxalim (Research Centre in Food Toxicology), Université de Toulouse, INRAE, ENVT, INP-Purpan, UPS, 180 chemin de Tournefeuille St-Martin-du-Touch, BP 3, 31931 Toulouse Cedex, France.
3 Department of Infectious Disease, Faculty of Medicine, Commonwealth Building, Imperial College London, Du Cane Road, London W12 0NN, U.K.
4 MetaToul-MetaboHUB, National Infrastructure of Metabolomics and Fluxomics, 180 chemin de Tournefeuille St-Martin-du-Touch, BP 3, 31931 Toulouse Cedex, France.