Imperial College London - Division of Digestive Diseases, National Institute for Health Research (NIHR) Biomedical Centre - Translational Bioinformatics, King's College London - School of Immunology and Microbial Sciences, King's College London - School of Immunology and Microbial Sciences, King's College London - School of Immunology and Microbial Sciences, Imperial College London - Division of Digestive Diseases, King's College London - School of Immunology and Microbial Sciences, King's College London - School of Immunology and Microbial Sciences, Imperial College London - Division of Digestive Diseases, Imperial College London - Division of Digestive Diseases, King's College London - School of Immunology and Microbial Sciences, University College London - Division of Infection and Immunity, University College London - Division of Infection and Immunity, Earlham Institute - Organisms and Ecosystems, Earlham Institute - Organisms and Ecosystems, Imperial College London - Division of Digestive Diseases, King’s College London - Centre for Inflammation Biology and Cancer Immunology, King's College London - School of Immunology and Microbial Sciences, University College London - Division of Infection and Immunity, King's College London - School of Immunology and Microbial Sciences and Imperial College London - Division of Digestive Diseases