1. Departments of Gastroenterology and Hepatology, St Mary’s Hospital, Imperial College Healthcare NHS Trust, London, W2 1NY, UK
2. Department of Metabolism, Division of Digestive Diseases, Digestion and Reproduction, Faculty of Medicine, Imperial College London, SW7 2AZ, UK
3. Centre for Gut Microbiota Research, Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Hong Kong
4. Institute of Digestive Disease, State Key Laboratory of Digestive Disease, LKS
5. Institute of Health Science, The Chinese University of Hong Kong, Hong Kong
6. Departments of Gastroenterology and Hepatology, St Mary’s Hospital, Imperial College Healthcare NHS Trust, London, UK
7. Division of Digestive Diseases, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, UK